Music & Sound Design
Showing 298 of 298 entries
Loop Provenance
Track and verify original creators of music loops and samples to credit and reward authors accurately.
Onchain Remix Rights
Enable transparent licensing and royalty splits for remixed tracks directly on the blockchain.
Collaborative Beat Ledger
Record and timestamp collaborative beat creation sessions with immutable proof of contribution.
Sound Effect NFT Vault
Mint and trade exclusive sound effects as NFTs ensuring ownership and monetization for creators.
Onchain Sample Swap
Facilitate peer-to-peer swapping of music samples with provable ownership and usage rights.
Live Set Royalty Split
Automatically distribute royalty shares from live streamed performances via smart contracts.
AI Audio License
Onchain licenses for AI-created audio to prevent misuse and ensure creator credit.
Onchain Music Curriculum
Certify students’ composition and sound design achievements onchain for transparent credentialing.
Tokenized Composer Credits
Issue tokens representing composer credits to ensure fair recognition and revenue sharing.
Sound Asset Crowdfunding
Raise decentralized funding for music and sound projects with onchain milestone payments.
Onchain Synth Presets
Distribute unique synthesizer presets as verifiable NFTs with built-in royalty logic.
Decentralized Jam Sessions
Record and timestamp decentralized jam sessions to prove creative input for all participants.
Interactive Sound NFTs
Create NFTs with interactive sound design that evolves based on user input and onchain data.
Onchain Remix Competitions
Host remix contests with transparent voting and automatic prize payouts on the blockchain.
Sample Chain Marketplace
Create a decentralized marketplace for verified, licensed music samples with automatic royalties.
Onchain Audio Stems
Distribute song stems with immutable licenses and resale royalty tracking onchain.
Blockchain Soundscapes
Share and license unique recorded soundscapes with verified origin and ownership on blockchain.
Decentralized Music Feedback
Collect transparent, timestamped peer reviews for music tracks to build trust and credibility.
Onchain DJ Set Logs
Create immutable records of DJ set tracklists and transitions for copyright and reputation.
Smart Contract Audio RNG
Use onchain randomness to generate unique, verifiable generative music pieces as NFTs.
Token-Gated Music Releases
Release exclusive music content accessible only to token holders via smart contracts.
Onchain Vocal Processing
Store and verify customizable vocal effect presets and chains onchain for sharing and licensing.
Music Metadata Registry
Create a decentralized registry for verified, searchable music metadata and ownership info.
Smart Contract Sync Licenses
Automate sync rights clearance and royalty splits for film, TV, and ads on the blockchain.
Onchain Audio Watermarking
Embed immutable proof of ownership and usage terms in audio files verified via blockchain.
Loop Provenance
Track and verify origin of audio loops to ensure authenticity for musicians and producers.
Patch Vault
Securely store and share synthesizer presets with verified authenticity and version control.
Score Archive
Permanently archive music scores and compositions with guaranteed timestamped records.
SampleChain
Manage and prove sample license ownership with permanent onchain records for producers.
Mix History
Track iterative versions of audio mixes ensuring creators can revert and prove mix lineage.
Soundscape Atlas
Catalog and permanently archive environmental soundscapes for reuse and licensing.
Preset Gallery
Create a decentralized gallery of verified plugin presets with community ratings.
Vinyl Metadata
Digitally archive vinyl metadata linked to physical records for collectors and sellers.
MoodSampler
Attach permanent mood and emotion tags to samples for easy discovery and curation.
BeatLedger
Record and prove ownership of beats and instrumentals on a decentralized archive.
Synth Patchbook
Create a permanent catalog of unique synth patches for community sharing and licensing.
Remix Rights
Track remix permissions and derivatives with permanent records linked to original works.
LoopSwap
Decentralized platform for permanent loop exchange with verified content provenance.
Patch Ledger
Record creation and usage history of sound patches to prove originality and licensing.
Composer Collab
Securely share and timestamp collaborative compositions with permanent version control.
Sound NFT
Create permanent and verifiable audio NFTs with linked metadata on decentralized storage.
SampleChain Pro
Professional tool to trace sample origins and licensing history with permanent records.
LiveLoop Archive
Permanently store live loop sets with detailed metadata for reuse and proof of creation.
SoundPatch Market
Decentralized marketplace for buying and selling sound patches with permanent proof of originality.
Genre Mapper
Attach permanent genre and style metadata to tracks for better discovery and curation.
Audio Blueprint
Archive reusable sound design templates with verified authorship and version tracking.
LoopChain Sync
Synchronize loop edits in real-time with permanent version storage on decentralized archive.
Dynamic Scores
Store interactive music scores with embedded sounds permanently for composers and educators.
Stem Provenance
Track origin and licensing of individual stems with permanent onchain metadata storage.
Gasless Remix Exchange
Collaborate seamlessly on remixes without blockchain fees or sign-up friction.
Onchain Sound Packs
Distribute sound packs with verified authenticity and instant user access via gasless wallets.
NFT Beat Marketplace
Buy and sell beats with onchain provenance and zero gas fee transactions.
Instant Royalty Splits
Automatically split royalties among collaborators with transparent, gasless onchain transactions.
Gas-Free Live Sampling
Capture and share live samples onchain instantly without blockchain transaction fees.
Social Jam Sessions
Join real-time jam sessions with authenticated users and transparent blockchain session logs.
Curated Sound Trails
Create and share onchain-curated playlists with gasless user interaction and proof of curation.
Authentic Sample Provenance
Verify sample origins onchain with free, user-friendly wallet onboarding to prevent piracy.
Onchain Synth Presets
Distribute and monetize synth presets with gas-free transactions and easy social login.
Gasless Beat Battles
Host onchain beat battles allowing creators to compete and vote without paying blockchain fees.
Collaborative Loop Vault
Securely share and build loop collections with zero gas cost and social wallet access.
Transparent Sample Licensing
License samples with onchain transparency and gasless user adoption via social login.
Instant Collab Contracts
Create and sign collaboration agreements onchain instantly without gas fees or complex wallet setup.
Gasless Sound Design NFT
Mint and trade unique sound designs onchain with free wallet sign-ins and Hedera's fixed sub-cent fees.
Onchain Mix Feedback
Receive verified community feedback on mixes with gasless voting and wallet authentication.
Gasless Sample Swap
Swap samples peer-to-peer with instant, free onchain transactions and simple social login.
Live Set Proof
Proof your live performances onchain with zero gas fees and social wallet ease.
Gasless Loop Licensing
License loops onchain with frictionless onboarding and no blockchain transaction fees.
Social Audio Credits
Tip and credit collaborators instantly with gasless onchain microtransactions via social login.
Gasless Synth Sharing
Share and demo synthesizer presets with gas-free onchain transactions and social wallet integration.
Onchain Audio Stems
Distribute high-quality audio stems with transparent ownership and zero gas fees.
Gasless Sample Challenges
Run onchain sample challenge contests with free user participation and wallet sign-in.
Decentralized Sound Workshops
Host interactive sound design workshops with onchain attendance proofs and no gas fees.
Collaborative Audio NFTs
Mint multi-creator audio NFTs with transparent ownership and gasless transactions.
Gasless MIDI Trading
Trade MIDI files onchain instantly with social login and no blockchain fees.
Sample Provenance Vault
Securely mint and verify original samples for trusted reuse and licensing.
Mix Snapshot Ledger
Mint unique mix versions so producers prove original mixes over time.
Synth Patch Provenance
Create certified original synth presets with owned provenance for resale or sharing.
Sample Remix Rights
Mint remixable sample NFTs granting verified usage and royalty rights to remixers.
Live Loop Provenance
Capture and mint unique live-loop sessions for verified creative ownership.
Virtual Instrument Tokens
Mint exclusive sample pack NFTs with creator ownership and usage proofs.
Sound Effect Provenance
Identify and authenticate original sound effect creators with minting onchain tokens.
Composer Cue Tokens
Mint original music cue NFTs to prove composer ownership and license rights.
Collaborative Track Tokens
Create NFTs representing joint music projects, tracking all contributors’ rights.
Mastering Provenance Tags
Mint verifiable NFTs for mastered tracks to certify mastering sources and dates.
Remix Chain Registry
Trace remix origins onchain by minting NFT tokens for each remix iteration.
Songwriting Drafts Mint
Mint NFTs for songwriting drafts to prove original lyric authorship and evolution.
Field Recording Mint
Ownership minting for authentic field recordings archived with verifiable IPFS CIDs.
Sound Design Presets
Mint and trade unique sound design effect presets with creator provenance.
Album Art Audio Tokens
Combine album art and music provenance by minting unified NFT tokens.
Music Education Tokens
Mint unique verified music tutorial NFTs proving instructor originality.
Sound Asset Licensing
Streamline sound asset licensing with minting provable NFT ownership tokens.
Genre Evolution Tokens
Mint NFTs tagging tracks by genre and evolutionary lineage onchain.
Interactive Audio NFTs
Mint interactive music NFTs with provable ownership and modifiable IPFS content.
DJ Set Provenance
Create certified NFTs of live DJ sets proving originality and performance dates.
Voice Sample Tokens
Mint NFTs certifying original vocal samples for reuse and licensing.
Podcast Sound Mint
Mint provenance NFTs for original podcast episodes guaranteeing ownership.
Film Score Provenance
Certify original film scores by minting provenance NFTs tied to IPFS CIDs.
Ambient Track Tokens
Mint NFTs for ambient compositions verifying original soundscapes.
Instrument Sample Provenance
Create NFTs proving ownership of original instrument sample recordings.
Provenance · x402
A sub-cent attribution layer for sound design. Producers pay $0.01 USDC to instantly unlock high-fidelity stems and secure a cryptographically signed provenance receipt. Every time a sample is previewed or dragged into a DAW, the facilitator settles a micropayment directly to the original creator's Magic Link email sign-in. No subscriptions, just pay-per-sample flow for the agentic music economy.
STEMS · x402
A 'Pay-per-Stems' protocol where remixers stream high-fidelity project files for 0.05 USDC per download. Every stem download triggers an immediate HTS transfer settlement to the original producer's wallet. Final remix uploads are gated by x402 signatures, ensuring the licensing fee is burned into the metadata before the track can be minted or played. licensing is no longer a contract; it's a micropayment primitive.
BeatCommit · x402
A real-time rhythmic session layer where every MIDI pattern, drum hit, or sample flip is committed as a cryptographically signed stem. Producers pay 0.01 USDC to 'Drop' a loop into the shared master or 'Stem-Out' a high-quality bounce. Payments serve as the immutable proof-of-contribution, creating a financial trail of authorship that prevents ghost-producing and ensures royalty attribution at the primitive level.
FoleyStream · x402
A high-frequency granular sound library where every 'Listen' and 'Download' is a streaming 0.01 USDC micro-settlement. Sound designers monetize individual transients, hits, and textures without subscriptions. Creators pay-per-sample to bypass licensing friction, while AI music generators use the API to pull stems in real-time. Direct HTS transfer settlement ensures the Foley artist is paid before the audio buffer even finishes playing.
Resonance · x402
$0.01 — pay-per-audition. A high-fidelity sonic library where creators earn instantly on every preview and download. No subscriptions, just a micro-settlement for every drum hit, synth stab, or vocal chop streamed via Base. All usage rights are baked into the transaction metadata, with HTS transfer ensuring zero-friction acquisition for bedroom producers and AI-music agents alike.
PulseGate · x402
Pay-per-stream triggers instant micro-settlements for high-stakes live performance. Audience members pay 0.01 USDC per minute of high-fidelity audio, or per 'Encore' request. Each payment is a signed HTS transfer message that instantly splits across the DJ, the producer, and the venue's wallet. No more waiting 6 months for PRO data; the set stays live as long as the USDC flow remains positive.
StemGate · x402
A sub-penny metadata wrapper for every AI-generated stem. Instead of flat-fee licensing, users pay 0.01 USDC to 'unlock' the commercial rights and provenance certificate for an individual loop or sample. High-frequency micro-licensing for producers who need high-volume, legal-clearance-on-demand.
Sonic Ledger · x402
A pay-per-module music theory engine where every lesson, ear-training exercise, and sound design challenge requires a 0.01 USDC unlock. Students don't pay for a subscription they might not use; they pay for the exact knowledge they consume. Every successful completion triggers an immediate onchain credential, turning your learning history into a verifiable, micro-funded repertoire.
LinerNote · x402
A global, high-fidelity attribution layer where metadata is a paid event. Instead of static lists, media players and streaming protocols ping this ledger to verify and display the 'Credit Layer' of a track. Each micro-payment of 0.01 USDC triggers a signed event on Hedera that immutably proves a composer's contribution and immediately routes a fraction of the fee to the credited wallet. Truth as a service for the music industry.
Sonic Mint · x402
A 'pay-per-listen' sandbox where unreleased stems, sound kits, and demos are gated by 0.01 USDC micropayments. Every play or download triggers an immediate x402 settlement, streaming liquid funding directly to the artist's wallet to hit milestones in real-time. No subscriptions; fans fund the production at the granular level of individual playback and asset access.
PATCHLOCK · x402
Stop buying bulk packs to find one sound. DAW-integrated x402 plugins allow synth designers to monetize individual presets via HTS transfer. Producers pay 0.01 USDC to instantly 'patch-in' a premium sound to their session. No subscription, no bloated libraries—just a per-click logic that settles on Hedera, turning every 'Load Preset' action into a micro-royalty for the designer.
StemSync · x402
Pay-per-layer DAW where every track addition or 'accept' action triggers a 0.01 USDC settlement, instantly securing co-authorship on-chain with a Hedera transaction id. No more royalty disputes; the protocol acts as a real-time ledger for creative provenance. Musicians pay to join the stem, and creators earn as their sounds are sampled or layered.
Resonance · x402
A real-time generative audio engine where every parameter shift or 'meta-tweak' is a $0.01 micro-transaction. Users don't just listen; they perform. Sign a 1-cent permit to evolve the synth patch, trigger a drum fill, or modulate the spatial reverb based on Hedera network congestion. Creators earn pure yield as fans remix their stems in real-time. Powering interactive soundtracks for the onchain metaverse where every beat drop is a settled transaction.
STEMWARS · x402
Submit stems or cast votes in real-time global remix battles. Each stem upload, loop download, and ranked-choice vote triggers a 0.01 USDC micro-settlement, building a sovereign prize pool that streams instantly to the top 3 producers upon contest close. No gatekeepers, just math and melody.
SONIC FLOW · x402
$0.01 — Every audition is a micro-license. Pay to listen, pay to drag-and-drop. Samples are metered at the DAW level via HTS transfer. No subscriptions, just raw utility for producers and autonomous AI composers who need high-fidelity stems for real-time generative scoring. Settlement triggers a Hedera transaction id, instantly routing royalties to the creator's wallet.
DECONSTRUCT · x402
A low-latency delivery layer for high-fidelity audio assets. Creators upload stems to decentralized storage; developers and remixers pay a per-track micropayment to fetch the raw stems directly into their DAW or AI-remixing agent. Each 0.01 USDC call triggers a real-time royalty split to the original producer and session musicians. No subscriptions, just pay-per-stem access for granular sampling.
ATMOS · x402
A metered API for high-fidelity environmental audio. Pay 0.01 USDC per second of spatial audio stream or per asset download. Every soundscape is an on-chain primitive that permits instantaneous micro-licensing for game engines, VR environments, and meditation apps without subscription overhead. Pay exactly for the atmosphere you use.
SonicAudit · x402
High-stakes peer review for producers. Upload stems and stake 0.01 USDC per second of feedback. Professional listeners earn instantly for every timestamped critique dropped. Every comment is a settled transaction, ensuring only high-signal mentorship survives the noise.
CUEPOINT · x402
A protocol for granular performance telemetry. DJs push real-time MIDI metadata and track transitions to a live stream; listeners or archival bots pay 0.01 USDC per 'Sync' to unlock the precise tracklist, timestamped cue points, and energy-density data for the current segment. High-fidelity metadata becomes a purchasable asset for curators and algorithmic radio stations.
Resonance · x402
An x402-metered infinite radio. Every 'Next Track' call triggers a seed-based generative synthesis engine. Pay 0.01 USDC to roll a unique audio seed and stream a never-before-heard, verifiable MIDI-to-audio sequence. High-frequency micro-licensing for streamers and creators who need royalty-free backgrounds instantly. No minting friction, just pay-per-buffer.
StemStream · x402
Stream unreleased stems, demos, and master tracks with zero friction. No subscriptions or NFTs required—just pay 0.01 USDC per play. Each listen triggers an instant settlement to the artist's wallet via HTS transfer, creating a high-velocity 'pay-per-ear' micro-economy for independent sound designers and musicians.
VocalStem · x402
Transform any raw vocal recording into a studio-grade stem via high-fidelity effect chains. Pay 0.01 USDC per process to unlock specialized racks (De-Ess, Autotune, Saturation) curated by top engineers. Sign to process; receive your processed audio and a Hedera transaction id validating the logic used.
SoundCheck · x402
A high-fidelity metadata oracle for the on-chain music economy. Pay 0.01 USDC per query to fetch globally verified ISRC, BPM, and publishing data. Ingesting high-quality metadata is no longer a manual chore—it is a metered API call that ensures royalty accuracy for DSPs and DJ software.
StemStream · x402
Sync licensing moves from manual lawyer-gated silos to open-metered assets. Every time an editor, AI video generator, or content creator previews a high-fidelity stem in their timeline, 0.01 USDC is streamed to the rights holders. Final broadcast 'unlock' triggers a batch settlement. Pay-per-preview turns passive catalogs into active revenue streams where use equals immediate settlement.
SonicStamp · x402
$0.01 — Protect audio assets instantly. Every time an AI scraper, producer, or platform requests the 'Proof of Origin' data for a track, you receive a micropayment. Payment triggers the verified cryptographic signature that authenticates your ownership and licensing rights on-chain. Turn copyright verification from a legal hurdle into a high-frequency revenue stream.
StemCell · x402
Turn your DAW into an automated clearinghouse. Every time you drag a loop into a project, trigger a $0.01 x402 signature that verifies the sample's cryptographic origin and instantly settles a micro-royalty to the original sound designer. No more licensing guesswork—pay-per-pull provenance that protects creators and clears producers for commercial use in one click.
Oscillator · x402
A cryptographically versioned preset library where sound designers earn 0.01 USDC every time a user auditions or imports a patch. By integrating x402, every 'Load' command in the DAW triggers a microscopic settlement, turning a passive archive into an active, metered revenue stream for synth nerds. No subscriptions, just payment at the point of inspiration.
Immutable Note · x402
Turn musical notation into a verifiable sequence of micro-copyrights. Pay 0.01 USDC to mint a permanent, timestamped cryptographic proof of a musical phrase or full score. Prevents 'accidental' plagiarism and establishes verifiable provenance for composers before they share drafts with collaborators or labels. Every edit is a new state, every state is an on-chain receipt.
Splicer · x402
A pay-per-clear engine for crate-digging. Producers pay $0.01 to instantly meter a high-fidelity sample for a 24-hour creative window. No upfront buyout; just signature-based micro-licenses as you compose. Clearance is settled per-listen or per-export, signed by the Magic Link email sign-in, returning a permanent Base settlement hash as your legal proof of use.
StemStream · x402
A version-controlled audio vault where every bounce is an on-chain event. Engineers pay 0.01 USDC to commit a mix iteration, generating an immutable proof-of-lineage hash. Clients pay 0.01 USDC to unlock and stream specific versions, ensuring session transparency and preventing unpaid 'final' file handovers.
Resonance · x402
A granular, pay-per-buffer library for professional sound designers and AI training sets. Bypass subscription bloat by paying 0.01 USDC per high-fidelity lossless download or API stream. Every field recording is a smart-contract asset where micropayments flow directly to the recordist's Magic Link email sign-in, enabling a global, decentralized 'Street View' for audio.
Patchbay · x402
A metered sound-design marketplace where DAWs pull verified .fxp and .adg presets directly from a Base-backed vault. Instead of bloated subscriptions, producers pay a 0.01 USDC micro-transaction to preview or commit to a preset. Top-rated sound designers earn continuous royalties as their signature patches are 'called' by AI generators or human composers in real-time.
GrooveCheck · x402
$0.01 — Archive and verify high-fidelity provenance. Collectors pay per-lookup to fetch global market data, press variants, and master-tape origins. Sellers pay per-mint to generate a permanent metadata hash for physical records, ending 'condition' disputes via immutable proof-of-state. A pay-per-scan interface for the analog enthusiast.
MoodSampler · x402
MoodSampler turns audio tagging into a sovereign high-fidelity label market. Pay 0.01 USDC per HTS transfer signature to instantly append cryptographically verified emotional metadata to any sample. Each 'tag' is a micro-settlement that ensures the curator is compensated for their sonic intuition, creating a decentralized database of human-felt sound where every search query and metadata unlock feeds the Base creator ecosystem.
BeatLock · x402
A trustless protocol for beat-licensing where 0.01 USDC buys a duration-limited 'Commercial Use Voice-Tag' removal. Producers upload instrumentals protected by a dynamic audio watermark; listeners and artists sign HTS transfer transactions to unlock high-fidelity, tag-free streams per-minute or per-download. Ownership is verified by the transaction hash, turning every play into a micro-royalty settlement.
PATCHWIRE · x402
A friction-less sound design vault where every 'Download' or 'Import to DAW' event is an atomic 0.01 USDC settlement. Synth-heads monetize their signal chains instantly, and producers buy specific presets without monthly subscriptions. Perfect for AI-driven music generators needing high-quality training samples or manual producers seeking the perfect oscillator sync.
StemCell · x402
A pay-per-derivative engine where remixers buy 'Creation Rights' via x402 signatures. Every time a stem is downloaded for a remix, 0.01 USDC is instantly streamed to the original creator. The facilitator settles the permission on-chain, returning a transaction hash that serves as the legal 'license to flip.' Logic gates the high-res audio exports behind micropayments, ensuring the ledger of derivatives is automated and paid.
LoopVault · x402
A high-fidelity stem library where every 'Download' or 'Drag-to-DAW' action triggers a 0.05 USDC micropayment directly to the producer. By integrating x402, LoopVault removes the friction of monthly subscriptions and legal complexity. You pay exactly once per loop, instantly acquiring a cryptographically signed usage rights receipt tied to the Base transaction hash. It turns every sound into a metered asset for both human producers and AI music generators.
Sonic Trace · x402
A cryptographically verifiable lineage for sound designers. 0.01 USDC to mint a unique DNA signature for a patch, and 0.01 USDC for any producer to 'check out' the commercial license metadata. Every tweak, layer, and redistribution is a paid state change on Hedera, building a chain of custody that turns sound design into a high-frequency liquid asset.
STEMSYNC · x402
A headless workspace for musicians to sync STEMs through a pay-per-pull version control system. Every commit cost $0.01 to pull, ensuring that session musicians, vocalists, and engineers are compensated for every iteration accessed by the lead producer. No subscriptions; you pay for the data you pipe into your DAW.
SonicStream · x402
A pay-per-listen protocol for high-fidelity stems and sound packs. Users sign a 0.01 USDC HTS transfer permit to instantly stream a track or download a sample, with royalties auto-routed to the creator's wallet. Forget gas-heavy minting; this is granular, real-time audio consumption where every play is a settled transaction on Hedera.
Provenance · x402
A forensic audio engine for the agent-economy. Pay 0.01 USDC to instantly verify the complete provenance and rights-chain of any audio snippet. No subscriptions—producers and AI training scrapers pay per fingerprint checked to ensure zero-liability sampling. Settles on Hedera with an immutable proof-of-license hash.
MasterStem · x402
Pay-per-trace live set archival. Performers trigger a 0.01 USDC x402 call to timestamp and immutable-store a loop buffer or stem directly from their DAW. Fans and producers pay 0.01 USDC to unlock high-fidelity stems for remixes, with immediate settlement to the artist. Total provenance for the modular age.
OSCILLATE · x402
A granular distribution protocol for sound design. Stop buying bloated $99 packs; pay 0.01 USDC to instantly preview and unlock the raw JSON/sysex data for a single Serum, Vital, or FM8 preset directly into your DAW. Creators receive real-time, micro-royalties every time their patch is 'pulled' by a producer or an automated AI composition agent. Payment is the unlock: no carts, no accounts, just signature-to-sound.
SONIC TAGGER · x402
A granular music tagging engine for high-velocity streaming and DJ libraries. Pay 0.01 USDC per track to instantly inject EBU R128 loudness data, BPM, key, and multidimensional genre tags into a file's on-chain metadata. Forget broad labels; purchase precision classification for automated curation.
Sonic State · x402
A high-fidelity sound design vault where every template 'pull' is a micro-settlement. Designers publish reusable DAW racks, synth chains, and spatial spatial templates. Users pay 0.01 USDC to unlock a specific version or branch, with 100% of the fee routed to the verified author via HTS transfer. Payment is the atomic unit of provenance, ensuring authorship is cryptographically tied to every download.
RiffStack · x402
A headless DAW for permanent collaborative jams. Every time you commit a loop, add a filter, or layer a synth, you pay 0.01 USDC. This micropayment covers the Arweave/Filecoin storage gas and triggers a real-time broadcast to all peers. Version history is a chain of paid events; to fork a session, developers or artists pay to 'pull' the state. Pay-per-sync ensures only the best takes reach the master track.
InkStream · x402
A decentralized canvas for interactive musical manuscripts where every 'read' of a dynamic layer or playback of an embedded MIDI-stem executes a 0.01 USDC micro-settlement to the composer via x402. Transition from static PDFs to 'Performance-as-a-Service' where educators pay-per-measure and performers unlock branching paths in real-time.
STEMSOURCE · x402
A high-fidelity multitrack repository where DAW users pay 0.01 USDC to pull, push, or verify a single stem. Every track bounce is a signed HTS transfer transaction, embedding cryptographic provenance directly into the layer of exchange. Eliminate license ambiguity by making the payment the proof of origin.
StemStream · x402
A headless MPC mixer where every stem interaction is a micro-settlement. Users sign 0.01 USDC payloads to unlock access to a high-fidelity stem, trigger an AI-mastering pass, or commit a new layer to the master session. No gas, just raw sound currency.
Sonic Ledger · x402
$0.01 — pay-per-sample auditioning. Kill the upfront $50 pack model. Use x402 to stream high-fidelity WAV previews that auto-unlock the full STEM and royalty license upon a signed 0.01 USDC micro-settlement. DAW plugins call the contract directly, allowing producers to 'drag-and-drop' sounds into their timeline with zero friction and instant onchain attribution.
Rhythm Meter · x402
Unlock the studio vault. Instead of bloated $500 exclusive licenses, high-fidelity stems and master tracks are metered at the sample level. Sign once with your Magic Link email sign-in and pay 0.01 USDC to preview a high-quality loop, 0.05 to download a MIDI pattern, or 0.10 to stream the full stem-set. Every 'play' and 'download' is a micro-transaction settled instantly on Hedera, giving producers a real-time revenue stream and rappers a friction-less, pay-as-you-cook workflow. No carts, no checkout, just flow.
SplitStream · x402
Direct-to-collaborator stems. Listeners or sync agents pay $0.01 USDC per play/download to instantly trigger a multi-sig revenue split via HTS transfer. No more monthly accounting; every micro-interaction is a settlement event.
RIPSTATE · x402
Convert live room sound into instant, permissionless audio stems. Performers drop a mic in a club; fans pay 0.05 USDC to 'Rip' the current 4-bar loop directly to their wallet. Each rip triggers an x402 stream that compensates the performer, the venue, and the sound engineer in real-time. No gas, just raw sound extraction at the speed of the beat.
Resonance · x402
A real-time low-latency collaborative DAW where every stems-sync and track-render is a micro-transaction. Pay 0.01 USDC to 'Open Mic' for 60 seconds of global audio-in, or meter your session to pay-per-loop. Musicians earn instantly as collaborators 'unlock' specific layers of a jam. Session logs are settled on-chain via HTS transfer, turning collaborative creative energy into a metered economy.
Sonic Ledger · x402
A high-fidelity audit trail for sonic discovery. Listeners pay 0.01 USDC to 'unlock' the next track in a curated queue, instantly routing the micropayment to the curator's wallet. Curation quality is enforced by skin-in-the-game: curators stake to list, and listeners pay-per-stream to validate taste. No subscriptions, just a direct value-link between sound selection and audience ear.
Provenance · x402
$0.01 — pay-per-pull hardware-verified stems. Stop forensic lawsuits before they start by embedding cryptographic proof of origin into every file download. the embedded wallet-signed micropayments allow DAWs to instantly 'unlock' legal clearance for a single loop or drum hit without monthly subscriptions.
OSCILLATE · x402
A high-fidelity library of professional synth patches and modular racks where payment is the audition. 0.01 USDC triggers an instant secure transmission of the .syx or plugin-specific file to your wallet. Skip the subscriptions; pay only for the textures that make the final mix. Built for human sound designers and music-generative AI agents requiring high-quality timbre seeds.
DropState · x402
A high-stakes per-vote leaderboard where every interaction is a $0.01 injection into the prize pool. Producers deposit tracks; listeners pay a micro-USDC fee to trigger a 'Vote' or 'Critique' action. The x402 primitive eliminates gas-friction while ensuring every vote has skin in the game. Winners are settled instantly via the facilitator at the battle's end.
STEMS · x402
$0.01 — pay-per-sample. A headless library where every high-fidelity stem and drum loop is an atomic HTS transfer payment away. Producers sign a 1-cent signature to instantly download or fork a sound, bypassing subscription fatigue. Creators earn real-time streaming royalties as their sound-bites are pulled into DAWs via API, creating a high-velocity liquidity layer for sound design.
STEMS · x402
A high-fidelity sound library where every 'Download' or 'Drag-and-Drop' is a 0.01 USDC primitive. Eliminate bulky subscription tiers and legal ambiguity. Producers pay per-snare or per-loop via a signature; the x402 facilitator handles the license issuance on Hedera. The HTS transfer signature acts as the timestamped proof-of-rights, instantly settling royalty splits to the original sound designer.
SplitTap · x402
A frictionless 'pay-to-play' handshake for musicians. Producers and vocalists lock split-sheet terms by signing a 0.01 USDC x402 transaction. The payment is the signature—the moment the micro-cent clears, the legal agreement is hashed to Base. No gas tokens, no legalese, just a sub-cent trigger that automates royalty routing.
Sonic Meter · x402
$0.01 — pay-per-sample. Every play is a micro-license. Every export is a settlement. Build a sound library where users pay 1 cent per high-fidelity stem preview, bypassing the friction of subscription models. Producers earn instantly as their sounds are pulled into DAW logic via HTS transfer auth. No gas, just raw sonic commerce.
PulseCheck · x402
A granular 'Pay-per-Critique' engine for mixing engineers. Producers pay 0.01 USDC to unlock timestamped audio comments from verified sound designers. No subscriptions; pay only for the feedback you use. Each comment is an HTS transfer signed transaction, ensuring the critic is paid instantly upon submission. Ideal for AI-agent mastering bots and human engineers alike.
SONIK · x402
Turn every one-shot, loop, and MIDI sequence into a sub-cent revenue stream. Producers pay $0.01 per high-res download or sequence preview using instant HTS transfer signing. Bypass subscription fatigue and bloated marketplaces. You don't 'swap'—you stream micro-royalties directly to the creator's wallet with every drag-and-drop. Settlement is instant on Hedera, turning your sample library into a self-monetizing API for other artists and AI music agents.
HEARTHASH · x402
A pay-per-attestation protocol for touring musicians. Every track played or gear-interaction triggered during a live set is cryptographically signed and anchored to Base via a 0.01 USDC micro-fee. Fans pay a cent to verify the 'Live-ness' in real-time, and venues pay to verify setlist compliance. Payment acts as the signal that the audio wasn't just a pre-recorded playback.
STEMFLOW · x402
Pay-per-pop loop licensing for the DAW era. Every time a producer samples your sound, a 0.01 USDC x402 call unlocks the hi-def STEM and mints a micro-license to their Magic Link email sign-in. No subscription bloat—just pay per loop, settle on Hedera, and keep the creative momentum.
STEMS · x402
A permissionless attribution layer for sound designers. Every stem, loop, and MIDI sequence is gated by a 0.01 USDC x402 trigger. Collaborators sign with Social Login to instantly 'pull' high-fidelity assets into their DAW. Payment is the unlock: no credit, no download. Facilitators automate royalty splits to all contributors via Hedera transaction ides the moment an asset is accessed.
PatchStream · x402
A peer-to-peer marketplace for synthesizer patches where every 'Listen' and 'Download' is a micro-settlement. Users sign a 0.01 USDC HTS transfer authorization to instantly stream a high-fidelity preset preview or inject the parameters directly into their web-DAW, with the Hedera transaction id serving as the permanent proof-of-license and creator payout.
STEMTAP · x402
Pay-per-stem extraction and sampling. Producers upload masters; creators pay 0.01 USDC to unlock individual instrument tracks (drums, bass, synth, vocals) for instant use in their DAW. Every sample is a micro-transactional license, settling on Hedera with a signature.
StemSwap · x402
A competitive ecosystem where music producers pay 0.01 USDC to 'Stem-Swap' to download a secret sound source or submit a flip. Payment is the judge: entries are ranked by total USDC signal from the community. Producers earn 90% of the pool for their win, while the sample provider earns a micropayment royalty for every download-to-flip. Eliminates bot spam and creates a real-time bounty market for sound designers.
Sonic Logic · x402
A library of mastery-level modular synth presets and theory stems. Pay 0.01 USDC to unlock the logic behind a single sound. Learn sound design by transaction: every 'Reveal' micropayment streams the session file and technical breakdown directly to your DAW-ready environment via signed HTS transfer auth.
StemSync · x402
Co-author stem-based soundscapes where every layer added or remix triggered executes a 0.01 USDC settlement to the previous contributors. Use x402 to automate the 'split-per-play' economy—signing an HTS transfer auth to unlock the master track or contribute a high-fidelity stem. Payment isn't the hurdle; it's the proof of attribution for the machine-listening era.
Velocity · x402
$0.01 — Unlock a world-class MIDI sequence. Every drag-and-drop into your DAW is a direct USDC transfer to the composer. No subscriptions, just high-fidelity melodic primitives gated by HTS transfer. Authors get paid per download; agents get paid per training sample. Finalize the composition and the txn on Hedera in one click.
ROOTS · x402
A hyper-granular sample marketplace where every 'Crates' search and 'Stem' download is a 0.01 USDC micro-transaction. Producers bypass high-cost monthly subscriptions to pay per audition and per download. Each payment is a provable on-chain signature that acts as an instant-use license, creating a permanent, verifiable audit trail of sample provenance from source to DAW.
StemSeal · x402
Commit high-fidelity mix fingerprints to the Base ledger for $0.01 per version. Each export generates a cryptographically signed snapshot, settling proof-of-work and authorship before the client even hears the bounce. No more 'Final_Final_v2' confusion—only immutable, metered mix history.
OSCILLATE · x402
A metered marketplace for high-fidelity sound design. Instead of buying bulk packs, users pay 0.01 USDC per 'Signal Blast' to preview a preset at full resolution or unlock the .syx file via HTS transfer. Creators earn instant, streaming royalties every time their sound is triggered in a production environment, turning sound design into a live equity asset rather than a one-time static sale.
StemFlow · x402
A headless marketplace for high-fidelity stems where every 'Play' and 'Download' is a settled micro-license. Using x402, producers sign $0.01 HTS transfer authorizations to instantly unlock DAW-ready wav files and legal clearance. No subscriptions, no upfront bundles—just pay-per-stem flow that converts listeners into legal remixers via the transaction hash.
STEMSTAMP · x402
A real-time loop capture engine where every 'Commit to Master' action facilitates a 0.01 USDC settlement. Performers pay to cryptographically stamp loops into a global stem library, while listeners pay per-loop to unlock high-fidelity stems for their own live setups. Live performance isn't just recorded; it's metered and monetized at the moment of inspiration.
Sonic Tap · x402
$0.01 — pay-per-trigger digital foley. A library of high-fidelity instrument samples where every 'note on' event or file download executes an x402 micropayment. Creators stream revenue per individual beat used in a DAW, rather than selling bulk packs that get pirated. Built for the era of AI-generated music and real-time collaborative production.
SND-BY-BIT · x402
A headless API for sound designers to monetize Foley at the atomic level. Instead of $50 sound packs containing 200 files, users pay 0.01 USDC to instantly unlock and download a single high-fidelity WAV. Perfect for game engine integrations and AI training pipelines where builders only pay for the specific samples they trigger or use in a prompt.
SONIC STREAMS · x402
A headless foley and score API for game devs and streamers. Instead of bulk licenses, pay 0.01 USDC to pull a procedurally generated, sync-ready music cue or sound effect directly into your timeline. Each call triggers a Base settlement that doubles as a cryptographically verifiable broadcast license. Stop paying for libraries; pay for the notes you use.
MasterNode · x402
A real-time 'revenue faucet' for music production. Instead of static NFTs, MasterNode meters every play or stem-download. Collaborators sign a multi-author HTS transfer manifest; users pay 0.01 USDC to unlock an isolated stem or high-fidelity playback. Every micro-transaction is instantly split and pushed to all contributors' Magic Link email sign-ins on-chain. Stop tracking rights — start streaming payments.
SONIC SIGNATURE · x402
Audio engineering as a verifiable service. Pay 0.01 USDC to generate a cryptographic 'Mastering Seal' for your track. The app executes a signal-chain audit and signs the metadata via HTS transfer. No subscription needed—just pay per render to lock the provenance of your sound on-chain. Producers pay to certify; labels pay to verify.
Lineage · x402
Stem-level provenance for the loop economy. Pay 0.05 USDC to fork a track, instantly splitting royalties to all previous contributors in the lineage chain via x402 primitives. Each remix call executes a settlement that unlocks the high-quality masters and signs your contribution into the immutable family tree.
InkTrace · x402
Micropayment-gated version control for lyricists. Pay $0.01 per 'Commit' to cryptographically timestamp a draft. Fans or collaborators pay $0.05 to unlock the 'Process Log', viewing the evolution of a hit song line-by-line. Protects IP via EIP-712 signatures while turning the creative process into a paid ledger.
HUM · x402
A real-time sonic marketplace where every 'Listen' and 'Download' of rare, high-fidelity ambient field recordings is a discrete 0.01 USDC settlement. Users pay-per-sample to unlock high-bitrate WAV files directly into their DAWs, while contributors earn instant micropayments for every second of sound telemetry consumed. No subscriptions, just a metered raw audio tap.
Pulse · x402
A low-latency sound design rack where every 'Load Preset' action is a 0.01 USDC micro-transaction. Creators upload complex FX chains (Serum, Vital, or VST-specific XMLs) and get paid instantly every time a producer auditions or drags a preset into their DAW. No subscriptions; just pay for the textures you use.
SONIC_LAYER · x402
Direct-to-ear artistic provenance. No subscriptions, no bundles—just 0.01 USDC to unlock a high-fidelity stem or visual layer. Listeners micro-pay to reveal the sonic architecture of a track, while creators earn instant settlement for every individual 'play' or 'view' event. Audio becomes a metered interactive canvas.
MasterStream · x402
Stop wasting time on 'expert' YouTube creators who hide their DAW project files. PAY-PER-STEP to unlock the internal routing, plugin chains, and MIDI logic of world-class producers. Every tutorial action—from viewing a specific compressor setting to downloading a stems package—requires a 0.01 USDC signed authorization. It’s a metered masterclass where you only pay for the insights you actually click on, proven by the instructor’s own cryptographic signature on the session data.
SonicDebit · x402
A granular audio boutique where every 'Save As' or 'Export' triggers a $0.01 settlement. Instead of bulky licensing contracts, creators pay per-sample-layering or per-stems-access. Metadata is signed by the facilitator, providing an immutable proof-of-payment hash that serves as your global usage license.
Phylogeny · x402
Pay 0.01 USDC to append a permanent 'lineage link' to any track. Your micropayment anchors a track's aesthetic DNA—citing its influences and offspring—into a global, real-time genre phylogeny. Metadata that pays the originator.
StemLoop · x402
A decentralized modular DAW where every sound layer is a micro-transaction. Pay $0.01 to trigger a stem, modulate a filter, or bridge a MIDI sequence in a live global composition. Creators earn instantly as users or AI-agents remix their stems to generate unique, session-locked soundscapes. Payment is the play button.
SonicProof · x402
DJs broadcast live set stems or full recordings to a peer-to-peer ledger where listeners and curators pay 0.01 USDC per minute of high-fidelity stream or archive access. Each micropayment triggers a real-time 'Proof of Presence' attestation for the listener while streaming royalty fractions directly to the artist's wallet via Base. No subscriptions—you only pay for the sets you actually vibe to.
VocalStamp · x402
Sign or verify a vocal stem's provenance with a 0.01 USDC micro-fee. Every time a producer pulls a high-fidelity vocal sample for a project, the original artist is paid instantly via x402. No subscriptions, no licensing lawyers—just friction-less authentication and payment per 'Pull'. Developers can integrate this registry into any DAW to meter the usage of high-quality training data or sample libraries.
VeriVoice · x402
$0.01 — cryptographically verify audio provenance. Podcast hosts sign an HTS transfer packet to anchor an authenticity proof to the Hedera for every new episode upload. Listeners pay 1 cent to fetch the 'Proof of Origin' signature, ensuring the voice they hear isn't an AI-generated deepfake. Micropayments meter the verification API, making trust a low-friction, high-value utility for listeners and distribution platforms.
CueCard · x402
Pay-per-stem access to high-fidelity cinematic stems. Each 0.01 USDC call triggers an x402 'Proof of Sync' signature, authorizing a single-use license for editors. Facilitators settle usage in real-time, replacing complex backend licensing with atomic micropayments.
AuraFlow · x402
$0.01 — Stream an infinite, procedurally generated ambient soundscape. No subscriptions; you pay per minute of audio generation. Using x402, listeners fund sound designers directly in real-time. The protocol meters high-fidelity stems, allowing developers to pay-per-sample to integrate these textures into their own games or apps via secure HTS transfer signatures.
StemFlow · x402
A low-latency sound library where every 'drag-and-drop' is a micro-license. Instead of bulky NFT mints, producers pay 0.01 USDC to instantly unlock the high-res WAV and a cryptographic proof of provenance. This creates a frictionless 'metered-access' workflow for DAWs, where agents and humans pay only for the sounds they actually use in a session.
Loop Provenance · a2a
Track and verify original creators of music loops and samples to credit and reward authors accurately. Two agents — a buyer acting for the artist and a seller acting for the rights holder — negotiate this over A2A 0.3 tasks and settle the agreed price in HBAR or HTS USDC, with every turn of the conversation receipted on Hedera.
Onchain Remix Rights · ap2
Enable transparent licensing and royalty splits for remixed tracks directly on the blockchain. The buyer's agent states an IntentMandate with hard caps, the seller answers with a signed CartMandate, and a PaymentMandate carries the Hedera settlement hash back — so an autonomous purchase leaves a signed, auditable trail from intent to receipt.
Collaborative Beat Ledger · ucp
Record and timestamp collaborative beat creation sessions with immutable proof of contribution. Discovery and checkout collapse into a single deterministic round trip, every request and response signed with RFC 9421 HTTP Message Signatures and settled in HBAR or HTS USDC — a storefront an agent can transact against without a browser.
Sound Effect NFT Vault · vault
Mint and trade exclusive sound effects as NFTs ensuring ownership and monetization for creators. A bespoke Solidity mandate vault on Hedera testnet holds the per-transaction cap, daily cap, expiry and revocation switch for the agent that acts here — the contract refuses an over-cap cart before a single tinybar moves, and the seller binds the settled hash back to it.
Onchain Sample Swap · a2a
Facilitate peer-to-peer swapping of music samples with provable ownership and usage rights. Two agents — a buyer acting for the artist and a seller acting for the rights holder — negotiate this over A2A 0.3 tasks and settle the agreed price in HBAR or HTS USDC, with every turn of the conversation receipted on Hedera.
Live Set Royalty Split · ap2
Automatically distribute royalty shares from live streamed performances via smart contracts. The buyer's agent states an IntentMandate with hard caps, the seller answers with a signed CartMandate, and a PaymentMandate carries the Hedera settlement hash back — so an autonomous purchase leaves a signed, auditable trail from intent to receipt.
AI Audio License · ucp
Onchain licenses for AI-created audio to prevent misuse and ensure creator credit. Discovery and checkout collapse into a single deterministic round trip, every request and response signed with RFC 9421 HTTP Message Signatures and settled in HBAR or HTS USDC — a storefront an agent can transact against without a browser.
Onchain Music Curriculum · agentic
Certify students’ composition and sound design achievements onchain for transparent credentialing. A bespoke Solidity mandate vault on Hedera testnet holds the per-transaction cap, daily cap, expiry and revocation switch for the agent that acts here — the contract refuses an over-cap cart before a single tinybar moves, and the seller binds the settled hash back to it. The same purchase also runs as a UCP one-shot signed checkout, proving both paths produce identical on-chain artifacts.
Tokenized Composer Credits · a2a
Issue tokens representing composer credits to ensure fair recognition and revenue sharing. Two agents — a buyer acting for the artist and a seller acting for the rights holder — negotiate this over A2A 0.3 tasks and settle the agreed price in HBAR or HTS USDC, with every turn of the conversation receipted on Hedera.
Sound Asset Crowdfunding · ap2
Raise decentralized funding for music and sound projects with onchain milestone payments. The buyer's agent states an IntentMandate with hard caps, the seller answers with a signed CartMandate, and a PaymentMandate carries the Hedera settlement hash back — so an autonomous purchase leaves a signed, auditable trail from intent to receipt.
Onchain Synth Presets · ucp
Distribute unique synthesizer presets as verifiable NFTs with built-in royalty logic. Discovery and checkout collapse into a single deterministic round trip, every request and response signed with RFC 9421 HTTP Message Signatures and settled in HBAR or HTS USDC — a storefront an agent can transact against without a browser.
Decentralized Jam Sessions · vault
Record and timestamp decentralized jam sessions to prove creative input for all participants. A bespoke Solidity mandate vault on Hedera testnet holds the per-transaction cap, daily cap, expiry and revocation switch for the agent that acts here — the contract refuses an over-cap cart before a single tinybar moves, and the seller binds the settled hash back to it.
Interactive Sound NFTs · a2a
Create NFTs with interactive sound design that evolves based on user input and onchain data. Two agents — a buyer acting for the artist and a seller acting for the rights holder — negotiate this over A2A 0.3 tasks and settle the agreed price in HBAR or HTS USDC, with every turn of the conversation receipted on Hedera.
Onchain Remix Competitions · ap2
Host remix contests with transparent voting and automatic prize payouts on the blockchain. The buyer's agent states an IntentMandate with hard caps, the seller answers with a signed CartMandate, and a PaymentMandate carries the Hedera settlement hash back — so an autonomous purchase leaves a signed, auditable trail from intent to receipt.
Sample Chain Marketplace · ucp
Create a decentralized marketplace for verified, licensed music samples with automatic royalties. Discovery and checkout collapse into a single deterministic round trip, every request and response signed with RFC 9421 HTTP Message Signatures and settled in HBAR or HTS USDC — a storefront an agent can transact against without a browser.
Onchain Audio Stems · agentic
Distribute song stems with immutable licenses and resale royalty tracking onchain. A bespoke Solidity mandate vault on Hedera testnet holds the per-transaction cap, daily cap, expiry and revocation switch for the agent that acts here — the contract refuses an over-cap cart before a single tinybar moves, and the seller binds the settled hash back to it. The same purchase also runs as a UCP one-shot signed checkout, proving both paths produce identical on-chain artifacts.
Blockchain Soundscapes · a2a
Share and license unique recorded soundscapes with verified origin and ownership on blockchain. Two agents — a buyer acting for the artist and a seller acting for the rights holder — negotiate this over A2A 0.3 tasks and settle the agreed price in HBAR or HTS USDC, with every turn of the conversation receipted on Hedera.
Decentralized Music Feedback · ap2
Collect transparent, timestamped peer reviews for music tracks to build trust and credibility. The buyer's agent states an IntentMandate with hard caps, the seller answers with a signed CartMandate, and a PaymentMandate carries the Hedera settlement hash back — so an autonomous purchase leaves a signed, auditable trail from intent to receipt.
Onchain DJ Set Logs · ucp
Create immutable records of DJ set tracklists and transitions for copyright and reputation. Discovery and checkout collapse into a single deterministic round trip, every request and response signed with RFC 9421 HTTP Message Signatures and settled in HBAR or HTS USDC — a storefront an agent can transact against without a browser.
Smart Contract Audio RNG · vault
Use onchain randomness to generate unique, verifiable generative music pieces as NFTs. A bespoke Solidity mandate vault on Hedera testnet holds the per-transaction cap, daily cap, expiry and revocation switch for the agent that acts here — the contract refuses an over-cap cart before a single tinybar moves, and the seller binds the settled hash back to it.
Token-Gated Music Releases · a2a
Release exclusive music content accessible only to token holders via smart contracts. Two agents — a buyer acting for the artist and a seller acting for the rights holder — negotiate this over A2A 0.3 tasks and settle the agreed price in HBAR or HTS USDC, with every turn of the conversation receipted on Hedera.
Onchain Vocal Processing · ap2
Store and verify customizable vocal effect presets and chains onchain for sharing and licensing. The buyer's agent states an IntentMandate with hard caps, the seller answers with a signed CartMandate, and a PaymentMandate carries the Hedera settlement hash back — so an autonomous purchase leaves a signed, auditable trail from intent to receipt.
Music Metadata Registry · ucp
Create a decentralized registry for verified, searchable music metadata and ownership info. Discovery and checkout collapse into a single deterministic round trip, every request and response signed with RFC 9421 HTTP Message Signatures and settled in HBAR or HTS USDC — a storefront an agent can transact against without a browser.
Smart Contract Sync Licenses · agentic
Automate sync rights clearance and royalty splits for film, TV, and ads on the blockchain. A bespoke Solidity mandate vault on Hedera testnet holds the per-transaction cap, daily cap, expiry and revocation switch for the agent that acts here — the contract refuses an over-cap cart before a single tinybar moves, and the seller binds the settled hash back to it. The same purchase also runs as a UCP one-shot signed checkout, proving both paths produce identical on-chain artifacts.
Onchain Audio Watermarking · a2a
Embed immutable proof of ownership and usage terms in audio files verified via blockchain. Two agents — a buyer acting for the artist and a seller acting for the rights holder — negotiate this over A2A 0.3 tasks and settle the agreed price in HBAR or HTS USDC, with every turn of the conversation receipted on Hedera.
Loop Provenance · ap2
Track and verify origin of audio loops to ensure authenticity for musicians and producers. The buyer's agent states an IntentMandate with hard caps, the seller answers with a signed CartMandate, and a PaymentMandate carries the Hedera settlement hash back — so an autonomous purchase leaves a signed, auditable trail from intent to receipt.
Patch Vault · ucp
Securely store and share synthesizer presets with verified authenticity and version control. Discovery and checkout collapse into a single deterministic round trip, every request and response signed with RFC 9421 HTTP Message Signatures and settled in HBAR or HTS USDC — a storefront an agent can transact against without a browser.
Score Archive · vault
Permanently archive music scores and compositions with guaranteed timestamped records. A bespoke Solidity mandate vault on Hedera testnet holds the per-transaction cap, daily cap, expiry and revocation switch for the agent that acts here — the contract refuses an over-cap cart before a single tinybar moves, and the seller binds the settled hash back to it.
SampleChain · a2a
Manage and prove sample license ownership with permanent onchain records for producers. Two agents — a buyer acting for the artist and a seller acting for the rights holder — negotiate this over A2A 0.3 tasks and settle the agreed price in HBAR or HTS USDC, with every turn of the conversation receipted on Hedera.
Mix History · ap2
Track iterative versions of audio mixes ensuring creators can revert and prove mix lineage. The buyer's agent states an IntentMandate with hard caps, the seller answers with a signed CartMandate, and a PaymentMandate carries the Hedera settlement hash back — so an autonomous purchase leaves a signed, auditable trail from intent to receipt.
Soundscape Atlas · ucp
Catalog and permanently archive environmental soundscapes for reuse and licensing. Discovery and checkout collapse into a single deterministic round trip, every request and response signed with RFC 9421 HTTP Message Signatures and settled in HBAR or HTS USDC — a storefront an agent can transact against without a browser.
Preset Gallery · agentic
Create a decentralized gallery of verified plugin presets with community ratings. A bespoke Solidity mandate vault on Hedera testnet holds the per-transaction cap, daily cap, expiry and revocation switch for the agent that acts here — the contract refuses an over-cap cart before a single tinybar moves, and the seller binds the settled hash back to it. The same purchase also runs as a UCP one-shot signed checkout, proving both paths produce identical on-chain artifacts.
Vinyl Metadata · a2a
Digitally archive vinyl metadata linked to physical records for collectors and sellers. Two agents — a buyer acting for the artist and a seller acting for the rights holder — negotiate this over A2A 0.3 tasks and settle the agreed price in HBAR or HTS USDC, with every turn of the conversation receipted on Hedera.
MoodSampler · ap2
Attach permanent mood and emotion tags to samples for easy discovery and curation. The buyer's agent states an IntentMandate with hard caps, the seller answers with a signed CartMandate, and a PaymentMandate carries the Hedera settlement hash back — so an autonomous purchase leaves a signed, auditable trail from intent to receipt.
BeatLedger · ucp
Record and prove ownership of beats and instrumentals on a decentralized archive. Discovery and checkout collapse into a single deterministic round trip, every request and response signed with RFC 9421 HTTP Message Signatures and settled in HBAR or HTS USDC — a storefront an agent can transact against without a browser.
Synth Patchbook · vault
Create a permanent catalog of unique synth patches for community sharing and licensing. A bespoke Solidity mandate vault on Hedera testnet holds the per-transaction cap, daily cap, expiry and revocation switch for the agent that acts here — the contract refuses an over-cap cart before a single tinybar moves, and the seller binds the settled hash back to it.
Remix Rights · a2a
Track remix permissions and derivatives with permanent records linked to original works. Two agents — a buyer acting for the artist and a seller acting for the rights holder — negotiate this over A2A 0.3 tasks and settle the agreed price in HBAR or HTS USDC, with every turn of the conversation receipted on Hedera.
LoopSwap · ap2
Decentralized platform for permanent loop exchange with verified content provenance. The buyer's agent states an IntentMandate with hard caps, the seller answers with a signed CartMandate, and a PaymentMandate carries the Hedera settlement hash back — so an autonomous purchase leaves a signed, auditable trail from intent to receipt.
Patch Ledger · ucp
Record creation and usage history of sound patches to prove originality and licensing. Discovery and checkout collapse into a single deterministic round trip, every request and response signed with RFC 9421 HTTP Message Signatures and settled in HBAR or HTS USDC — a storefront an agent can transact against without a browser.
Composer Collab · agentic
Securely share and timestamp collaborative compositions with permanent version control. A bespoke Solidity mandate vault on Hedera testnet holds the per-transaction cap, daily cap, expiry and revocation switch for the agent that acts here — the contract refuses an over-cap cart before a single tinybar moves, and the seller binds the settled hash back to it. The same purchase also runs as a UCP one-shot signed checkout, proving both paths produce identical on-chain artifacts.
Sound NFT · a2a
Create permanent and verifiable audio NFTs with linked metadata on decentralized storage. Two agents — a buyer acting for the artist and a seller acting for the rights holder — negotiate this over A2A 0.3 tasks and settle the agreed price in HBAR or HTS USDC, with every turn of the conversation receipted on Hedera.
SampleChain Pro · ap2
Professional tool to trace sample origins and licensing history with permanent records. The buyer's agent states an IntentMandate with hard caps, the seller answers with a signed CartMandate, and a PaymentMandate carries the Hedera settlement hash back — so an autonomous purchase leaves a signed, auditable trail from intent to receipt.
LiveLoop Archive · ucp
Permanently store live loop sets with detailed metadata for reuse and proof of creation. Discovery and checkout collapse into a single deterministic round trip, every request and response signed with RFC 9421 HTTP Message Signatures and settled in HBAR or HTS USDC — a storefront an agent can transact against without a browser.
SoundPatch Market · vault
Decentralized marketplace for buying and selling sound patches with permanent proof of originality. A bespoke Solidity mandate vault on Hedera testnet holds the per-transaction cap, daily cap, expiry and revocation switch for the agent that acts here — the contract refuses an over-cap cart before a single tinybar moves, and the seller binds the settled hash back to it.
Genre Mapper · a2a
Attach permanent genre and style metadata to tracks for better discovery and curation. Two agents — a buyer acting for the artist and a seller acting for the rights holder — negotiate this over A2A 0.3 tasks and settle the agreed price in HBAR or HTS USDC, with every turn of the conversation receipted on Hedera.
Audio Blueprint · ap2
Archive reusable sound design templates with verified authorship and version tracking. The buyer's agent states an IntentMandate with hard caps, the seller answers with a signed CartMandate, and a PaymentMandate carries the Hedera settlement hash back — so an autonomous purchase leaves a signed, auditable trail from intent to receipt.
LoopChain Sync · ucp
Synchronize loop edits in real-time with permanent version storage on decentralized archive. Discovery and checkout collapse into a single deterministic round trip, every request and response signed with RFC 9421 HTTP Message Signatures and settled in HBAR or HTS USDC — a storefront an agent can transact against without a browser.
Dynamic Scores · agentic
Store interactive music scores with embedded sounds permanently for composers and educators. A bespoke Solidity mandate vault on Hedera testnet holds the per-transaction cap, daily cap, expiry and revocation switch for the agent that acts here — the contract refuses an over-cap cart before a single tinybar moves, and the seller binds the settled hash back to it. The same purchase also runs as a UCP one-shot signed checkout, proving both paths produce identical on-chain artifacts.
Stem Provenance · a2a
Track origin and licensing of individual stems with permanent onchain metadata storage. Two agents — a buyer acting for the artist and a seller acting for the rights holder — negotiate this over A2A 0.3 tasks and settle the agreed price in HBAR or HTS USDC, with every turn of the conversation receipted on Hedera.
Gasless Remix Exchange · ap2
Collaborate seamlessly on remixes without blockchain fees or sign-up friction. The buyer's agent states an IntentMandate with hard caps, the seller answers with a signed CartMandate, and a PaymentMandate carries the Hedera settlement hash back — so an autonomous purchase leaves a signed, auditable trail from intent to receipt.
Onchain Sound Packs · ucp
Distribute sound packs with verified authenticity and instant user access via gasless wallets. Discovery and checkout collapse into a single deterministic round trip, every request and response signed with RFC 9421 HTTP Message Signatures and settled in HBAR or HTS USDC — a storefront an agent can transact against without a browser.
NFT Beat Marketplace · vault
Buy and sell beats with onchain provenance and zero gas fee transactions. A bespoke Solidity mandate vault on Hedera testnet holds the per-transaction cap, daily cap, expiry and revocation switch for the agent that acts here — the contract refuses an over-cap cart before a single tinybar moves, and the seller binds the settled hash back to it.
Instant Royalty Splits · a2a
Automatically split royalties among collaborators with transparent, gasless onchain transactions. Two agents — a buyer acting for the artist and a seller acting for the rights holder — negotiate this over A2A 0.3 tasks and settle the agreed price in HBAR or HTS USDC, with every turn of the conversation receipted on Hedera.
Gas-Free Live Sampling · ap2
Capture and share live samples onchain instantly without blockchain transaction fees. The buyer's agent states an IntentMandate with hard caps, the seller answers with a signed CartMandate, and a PaymentMandate carries the Hedera settlement hash back — so an autonomous purchase leaves a signed, auditable trail from intent to receipt.
Social Jam Sessions · ucp
Join real-time jam sessions with authenticated users and transparent blockchain session logs. Discovery and checkout collapse into a single deterministic round trip, every request and response signed with RFC 9421 HTTP Message Signatures and settled in HBAR or HTS USDC — a storefront an agent can transact against without a browser.
Curated Sound Trails · agentic
Create and share onchain-curated playlists with gasless user interaction and proof of curation. A bespoke Solidity mandate vault on Hedera testnet holds the per-transaction cap, daily cap, expiry and revocation switch for the agent that acts here — the contract refuses an over-cap cart before a single tinybar moves, and the seller binds the settled hash back to it. The same purchase also runs as a UCP one-shot signed checkout, proving both paths produce identical on-chain artifacts.
Authentic Sample Provenance · a2a
Verify sample origins onchain with free, user-friendly wallet onboarding to prevent piracy. Two agents — a buyer acting for the artist and a seller acting for the rights holder — negotiate this over A2A 0.3 tasks and settle the agreed price in HBAR or HTS USDC, with every turn of the conversation receipted on Hedera.
Onchain Synth Presets · ap2
Distribute and monetize synth presets with gas-free transactions and easy social login. The buyer's agent states an IntentMandate with hard caps, the seller answers with a signed CartMandate, and a PaymentMandate carries the Hedera settlement hash back — so an autonomous purchase leaves a signed, auditable trail from intent to receipt.
Gasless Beat Battles · ucp
Host onchain beat battles allowing creators to compete and vote without paying blockchain fees. Discovery and checkout collapse into a single deterministic round trip, every request and response signed with RFC 9421 HTTP Message Signatures and settled in HBAR or HTS USDC — a storefront an agent can transact against without a browser.
Collaborative Loop Vault · vault
Securely share and build loop collections with zero gas cost and social wallet access. A bespoke Solidity mandate vault on Hedera testnet holds the per-transaction cap, daily cap, expiry and revocation switch for the agent that acts here — the contract refuses an over-cap cart before a single tinybar moves, and the seller binds the settled hash back to it.
Transparent Sample Licensing · a2a
License samples with onchain transparency and gasless user adoption via social login. Two agents — a buyer acting for the artist and a seller acting for the rights holder — negotiate this over A2A 0.3 tasks and settle the agreed price in HBAR or HTS USDC, with every turn of the conversation receipted on Hedera.
Instant Collab Contracts · ap2
Create and sign collaboration agreements onchain instantly without gas fees or complex wallet setup. The buyer's agent states an IntentMandate with hard caps, the seller answers with a signed CartMandate, and a PaymentMandate carries the Hedera settlement hash back — so an autonomous purchase leaves a signed, auditable trail from intent to receipt.
Gasless Sound Design NFT · ucp
Mint and trade unique sound designs onchain with free wallet sign-ins and Hedera's fixed sub-cent fees. Discovery and checkout collapse into a single deterministic round trip, every request and response signed with RFC 9421 HTTP Message Signatures and settled in HBAR or HTS USDC — a storefront an agent can transact against without a browser.
Onchain Mix Feedback · agentic
Receive verified community feedback on mixes with gasless voting and wallet authentication. A bespoke Solidity mandate vault on Hedera testnet holds the per-transaction cap, daily cap, expiry and revocation switch for the agent that acts here — the contract refuses an over-cap cart before a single tinybar moves, and the seller binds the settled hash back to it. The same purchase also runs as a UCP one-shot signed checkout, proving both paths produce identical on-chain artifacts.
Gasless Sample Swap · a2a
Swap samples peer-to-peer with instant, free onchain transactions and simple social login. Two agents — a buyer acting for the artist and a seller acting for the rights holder — negotiate this over A2A 0.3 tasks and settle the agreed price in HBAR or HTS USDC, with every turn of the conversation receipted on Hedera.
Live Set Proof · ap2
Proof your live performances onchain with zero gas fees and social wallet ease. The buyer's agent states an IntentMandate with hard caps, the seller answers with a signed CartMandate, and a PaymentMandate carries the Hedera settlement hash back — so an autonomous purchase leaves a signed, auditable trail from intent to receipt.
Gasless Loop Licensing · ucp
License loops onchain with frictionless onboarding and no blockchain transaction fees. Discovery and checkout collapse into a single deterministic round trip, every request and response signed with RFC 9421 HTTP Message Signatures and settled in HBAR or HTS USDC — a storefront an agent can transact against without a browser.
Social Audio Credits · vault
Tip and credit collaborators instantly with gasless onchain microtransactions via social login. A bespoke Solidity mandate vault on Hedera testnet holds the per-transaction cap, daily cap, expiry and revocation switch for the agent that acts here — the contract refuses an over-cap cart before a single tinybar moves, and the seller binds the settled hash back to it.
Gasless Synth Sharing · a2a
Share and demo synthesizer presets with gas-free onchain transactions and social wallet integration. Two agents — a buyer acting for the artist and a seller acting for the rights holder — negotiate this over A2A 0.3 tasks and settle the agreed price in HBAR or HTS USDC, with every turn of the conversation receipted on Hedera.
Onchain Audio Stems · ap2
Distribute high-quality audio stems with transparent ownership and zero gas fees. The buyer's agent states an IntentMandate with hard caps, the seller answers with a signed CartMandate, and a PaymentMandate carries the Hedera settlement hash back — so an autonomous purchase leaves a signed, auditable trail from intent to receipt.
Gasless Sample Challenges · ucp
Run onchain sample challenge contests with free user participation and wallet sign-in. Discovery and checkout collapse into a single deterministic round trip, every request and response signed with RFC 9421 HTTP Message Signatures and settled in HBAR or HTS USDC — a storefront an agent can transact against without a browser.
Decentralized Sound Workshops · agentic
Host interactive sound design workshops with onchain attendance proofs and no gas fees. A bespoke Solidity mandate vault on Hedera testnet holds the per-transaction cap, daily cap, expiry and revocation switch for the agent that acts here — the contract refuses an over-cap cart before a single tinybar moves, and the seller binds the settled hash back to it. The same purchase also runs as a UCP one-shot signed checkout, proving both paths produce identical on-chain artifacts.
Collaborative Audio NFTs · a2a
Mint multi-creator audio NFTs with transparent ownership and gasless transactions. Two agents — a buyer acting for the artist and a seller acting for the rights holder — negotiate this over A2A 0.3 tasks and settle the agreed price in HBAR or HTS USDC, with every turn of the conversation receipted on Hedera.
Gasless MIDI Trading · ap2
Trade MIDI files onchain instantly with social login and no blockchain fees. The buyer's agent states an IntentMandate with hard caps, the seller answers with a signed CartMandate, and a PaymentMandate carries the Hedera settlement hash back — so an autonomous purchase leaves a signed, auditable trail from intent to receipt.
Sample Provenance Vault · ucp
Securely mint and verify original samples for trusted reuse and licensing. Discovery and checkout collapse into a single deterministic round trip, every request and response signed with RFC 9421 HTTP Message Signatures and settled in HBAR or HTS USDC — a storefront an agent can transact against without a browser.
Mix Snapshot Ledger · vault
Mint unique mix versions so producers prove original mixes over time. A bespoke Solidity mandate vault on Hedera testnet holds the per-transaction cap, daily cap, expiry and revocation switch for the agent that acts here — the contract refuses an over-cap cart before a single tinybar moves, and the seller binds the settled hash back to it.
Synth Patch Provenance · a2a
Create certified original synth presets with owned provenance for resale or sharing. Two agents — a buyer acting for the artist and a seller acting for the rights holder — negotiate this over A2A 0.3 tasks and settle the agreed price in HBAR or HTS USDC, with every turn of the conversation receipted on Hedera.
Sample Remix Rights · ap2
Mint remixable sample NFTs granting verified usage and royalty rights to remixers. The buyer's agent states an IntentMandate with hard caps, the seller answers with a signed CartMandate, and a PaymentMandate carries the Hedera settlement hash back — so an autonomous purchase leaves a signed, auditable trail from intent to receipt.
Live Loop Provenance · ucp
Capture and mint unique live-loop sessions for verified creative ownership. Discovery and checkout collapse into a single deterministic round trip, every request and response signed with RFC 9421 HTTP Message Signatures and settled in HBAR or HTS USDC — a storefront an agent can transact against without a browser.
Virtual Instrument Tokens · agentic
Mint exclusive sample pack NFTs with creator ownership and usage proofs. A bespoke Solidity mandate vault on Hedera testnet holds the per-transaction cap, daily cap, expiry and revocation switch for the agent that acts here — the contract refuses an over-cap cart before a single tinybar moves, and the seller binds the settled hash back to it. The same purchase also runs as a UCP one-shot signed checkout, proving both paths produce identical on-chain artifacts.
Sound Effect Provenance · a2a
Identify and authenticate original sound effect creators with minting onchain tokens. Two agents — a buyer acting for the artist and a seller acting for the rights holder — negotiate this over A2A 0.3 tasks and settle the agreed price in HBAR or HTS USDC, with every turn of the conversation receipted on Hedera.
Composer Cue Tokens · ap2
Mint original music cue NFTs to prove composer ownership and license rights. The buyer's agent states an IntentMandate with hard caps, the seller answers with a signed CartMandate, and a PaymentMandate carries the Hedera settlement hash back — so an autonomous purchase leaves a signed, auditable trail from intent to receipt.
Collaborative Track Tokens · ucp
Create NFTs representing joint music projects, tracking all contributors’ rights. Discovery and checkout collapse into a single deterministic round trip, every request and response signed with RFC 9421 HTTP Message Signatures and settled in HBAR or HTS USDC — a storefront an agent can transact against without a browser.
Mastering Provenance Tags · vault
Mint verifiable NFTs for mastered tracks to certify mastering sources and dates. A bespoke Solidity mandate vault on Hedera testnet holds the per-transaction cap, daily cap, expiry and revocation switch for the agent that acts here — the contract refuses an over-cap cart before a single tinybar moves, and the seller binds the settled hash back to it.
Remix Chain Registry · a2a
Trace remix origins onchain by minting NFT tokens for each remix iteration. Two agents — a buyer acting for the artist and a seller acting for the rights holder — negotiate this over A2A 0.3 tasks and settle the agreed price in HBAR or HTS USDC, with every turn of the conversation receipted on Hedera.
Songwriting Drafts Mint · ap2
Mint NFTs for songwriting drafts to prove original lyric authorship and evolution. The buyer's agent states an IntentMandate with hard caps, the seller answers with a signed CartMandate, and a PaymentMandate carries the Hedera settlement hash back — so an autonomous purchase leaves a signed, auditable trail from intent to receipt.
Field Recording Mint · ucp
Ownership minting for authentic field recordings archived with verifiable IPFS CIDs. Discovery and checkout collapse into a single deterministic round trip, every request and response signed with RFC 9421 HTTP Message Signatures and settled in HBAR or HTS USDC — a storefront an agent can transact against without a browser.
Sound Design Presets · agentic
Mint and trade unique sound design effect presets with creator provenance. A bespoke Solidity mandate vault on Hedera testnet holds the per-transaction cap, daily cap, expiry and revocation switch for the agent that acts here — the contract refuses an over-cap cart before a single tinybar moves, and the seller binds the settled hash back to it. The same purchase also runs as a UCP one-shot signed checkout, proving both paths produce identical on-chain artifacts.
Album Art Audio Tokens · a2a
Combine album art and music provenance by minting unified NFT tokens. Two agents — a buyer acting for the artist and a seller acting for the rights holder — negotiate this over A2A 0.3 tasks and settle the agreed price in HBAR or HTS USDC, with every turn of the conversation receipted on Hedera.
Music Education Tokens · ap2
Mint unique verified music tutorial NFTs proving instructor originality. The buyer's agent states an IntentMandate with hard caps, the seller answers with a signed CartMandate, and a PaymentMandate carries the Hedera settlement hash back — so an autonomous purchase leaves a signed, auditable trail from intent to receipt.
Sound Asset Licensing · ucp
Streamline sound asset licensing with minting provable NFT ownership tokens. Discovery and checkout collapse into a single deterministic round trip, every request and response signed with RFC 9421 HTTP Message Signatures and settled in HBAR or HTS USDC — a storefront an agent can transact against without a browser.
Genre Evolution Tokens · vault
Mint NFTs tagging tracks by genre and evolutionary lineage onchain. A bespoke Solidity mandate vault on Hedera testnet holds the per-transaction cap, daily cap, expiry and revocation switch for the agent that acts here — the contract refuses an over-cap cart before a single tinybar moves, and the seller binds the settled hash back to it.
Interactive Audio NFTs · a2a
Mint interactive music NFTs with provable ownership and modifiable IPFS content. Two agents — a buyer acting for the artist and a seller acting for the rights holder — negotiate this over A2A 0.3 tasks and settle the agreed price in HBAR or HTS USDC, with every turn of the conversation receipted on Hedera.
DJ Set Provenance · ap2
Create certified NFTs of live DJ sets proving originality and performance dates. The buyer's agent states an IntentMandate with hard caps, the seller answers with a signed CartMandate, and a PaymentMandate carries the Hedera settlement hash back — so an autonomous purchase leaves a signed, auditable trail from intent to receipt.
Voice Sample Tokens · ucp
Mint NFTs certifying original vocal samples for reuse and licensing. Discovery and checkout collapse into a single deterministic round trip, every request and response signed with RFC 9421 HTTP Message Signatures and settled in HBAR or HTS USDC — a storefront an agent can transact against without a browser.
Podcast Sound Mint · agentic
Mint provenance NFTs for original podcast episodes guaranteeing ownership. A bespoke Solidity mandate vault on Hedera testnet holds the per-transaction cap, daily cap, expiry and revocation switch for the agent that acts here — the contract refuses an over-cap cart before a single tinybar moves, and the seller binds the settled hash back to it. The same purchase also runs as a UCP one-shot signed checkout, proving both paths produce identical on-chain artifacts.
Film Score Provenance · a2a
Certify original film scores by minting provenance NFTs tied to IPFS CIDs. Two agents — a buyer acting for the artist and a seller acting for the rights holder — negotiate this over A2A 0.3 tasks and settle the agreed price in HBAR or HTS USDC, with every turn of the conversation receipted on Hedera.
Ambient Track Tokens · ap2
Mint NFTs for ambient compositions verifying original soundscapes. The buyer's agent states an IntentMandate with hard caps, the seller answers with a signed CartMandate, and a PaymentMandate carries the Hedera settlement hash back — so an autonomous purchase leaves a signed, auditable trail from intent to receipt.
Instrument Sample Provenance · ucp
Create NFTs proving ownership of original instrument sample recordings. Discovery and checkout collapse into a single deterministic round trip, every request and response signed with RFC 9421 HTTP Message Signatures and settled in HBAR or HTS USDC — a storefront an agent can transact against without a browser.
Loop Provenance · vault
Track and verify original creators of music loops and samples to credit and reward authors accurately. A bespoke Solidity mandate vault on Hedera testnet holds the per-transaction cap, daily cap, expiry and revocation switch for the agent that acts here — the contract refuses an over-cap cart before a single tinybar moves, and the seller binds the settled hash back to it.