🎨 Visual Art · public mural documentation

STREET SEAL · x402

A high-fidelity street art archive where every high-resolution 'capture' or 'view' of a mural triggers a 0.01 USDC micropayment directly to the artist's wallet. Users sign a permission to unlock geographic location data and professional-grade documentation of fleeting public works, ensuring the creator gets paid for the preservation of their physical labor long after the wall is buffed. Free to browse thumbnails; 0.01 USDC to unlock the permanent digital twin.

Hedera testnet + x402 paywall· x402 native
Section · Onchain

The primitive.

full primer →

Access to the public mural documentation engine is metered with x402: 0.01 HBAR or 0.01 HTS USDC per call, paid from the embedded wallet, so painters — or the agents working for them — pay per query and get a HashScan receipt every time.

Why this primitivePublic art is historically difficult to monetize once the work is finished. By metering access to high-res documentation and provenance data via x402, we turn passersby into micro-patrons and incentivize the archiving of ephemeral street art through a pay-per-view model that bypasses traditional gallery gatekeepers.

Kernel
an x402 v2 paywall metering access at 0.01 HBAR or 0.01 HTS USDC (token 0.0.429274) per call, paid from the embedded wallet through the relay and verified by a self-hosted facilitator against the Hedera mirror node
Drives the UI as
a 'pay 0.01 HBAR or USDC to unlock' button with a live flow log and a HashScan link for every settlement
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…
Appendix · Market

Market sizing.

TAM
$2.1B
The global public art and cultural tourism economy, increasingly driven by digital documentation and social sharing.
SAM
$120M
The digital art licensing and NFT collectibles market.
SOM
$8.5M
Target users in major street-art hubs (NYC, Berlin, Miami) paying for exclusive provenance metadata and high-res unlocks.

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

See also

Adjacent entries.