Creative Blockchain
🎵 Music & Sound Design · sample exchange

Gasless Sample Swap

Swap samples peer-to-peer with instant, free onchain transactions and simple social login.

Magic Link email wallet· wallet UX
Section · Onchain

The primitive.

full primer →

Musicians sign in with an email one-time code and get an embedded Hedera wallet — no seed phrase, no extension, no gas estimator — and their sample exchange actions settle in about three seconds for a fixed sub-cent fee.

Why this primitiveMagic Link email sign-ins plus Hedera's fixed sub-cent fees enable smooth, fee-free sample trades.

Kernel
a Magic Link embedded wallet created from an email OTP, signing over the Hedera JSON-RPC relay (chainId 296) at fixed sub-cent fees — no seed phrase, no extension, no gas estimator
Drives the UI as
a one-tap 'Sign in with email' that drops the user in with their 0.0.x account id and EVM address already on screen, plus HBAR/USDC balances and faucet links
Appendix · Secrets

Required keys.

HEDERA_OPERATOR_ID
Hedera testnet account id (0.0.xxxxxx). Create and fund it free.
open ↗
HEDERA_OPERATOR_KEY
ECDSA private key for that account, from the Hedera portal dashboard.
open ↗
REOWN_PROJECT_ID
Free project id powering the HashPack pairing modal.
open ↗
HEDERA_RPC_URL
Optional. JSON-RPC relay, defaults to the public Hashio endpoint.
open ↗
PINATA_JWT
Pins images / JSON / manifests to IPFS.
open ↗

Add these in your Lovable project under Settings → Secrets before pasting the prompt below.

Appendix · Mega-prompt

The build prompt.

Paste into a fresh Lovable project. Make sure all five secrets above are set first. read the build strategy →

Loading the mega-prompt…
Hedera testnet HashScan ↗
Appendix · Market

Market sizing.

TAM
$800M
sample exchange market
SAM
$210M
P2P music swaps
SOM
$13M
gasless sample exchanges

Indicative figures for hackathon pitches — refine with your own research before raising.

See also

Adjacent entries.

sample exchange
Onchain Sample Swap
Facilitate peer-to-peer swapping of music samples with provable ownership and usage rights.
collaborative remixing
Gasless Remix Exchange
Collaborate seamlessly on remixes without blockchain fees or sign-up friction.
sample library distribution
Onchain Sound Packs
Distribute sound packs with verified authenticity and instant user access via gasless wallets.
beat selling
NFT Beat Marketplace
Buy and sell beats with onchain provenance and zero gas fee transactions.