CHRONOCANVAS · x402
A cryptographic provenance engine for fine art. $0.01 USDC per 'Save State' (HTS transfer) to commit a canvas snapshot and process metadata to IPFS/Base. Collectors authenticate via the embedded wallet to pay a micro-fee and unlock the 'Process Stream'—viewing the invisible layers and creative struggle behind the finished piece. Payment at every stroke ensures the provenance is as immutable as the paint.
The primitive.
Access to the artistic process 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 primitiveBy turning the archival process into a pay-per-commit model, the artist builds a high-fidelity audit trail of their labor. The x402 primitive transforms the 'time capsule' from a static folder into a metered evidentiary stream that collectors pay to participate in, turning process documentation into a direct revenue source.
Required keys.
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Market sizing.
Indicative figures for hackathon pitches — refine with your own research before raising.