Chromafuel · x402
A decentralized colorist engine where every preset application is an on-chain event. Instead of buying static LUT packs, photographers pay $0.01 USDC per frame processed. The HTS transfer signature validates the 'Look' metadata, minting a temporary provenance proof for the grade. Professional colorists set up automated fee-streams—every time an AI agent or mobile editor applies their signature style, they are settled instantly on Hedera.
The primitive.
Access to the color grading engine is metered with x402: 0.01 HBAR or 0.01 HTS USDC per call, paid from the embedded wallet, so photographers — or the agents working for them — pay per query and get a HashScan receipt every time.
Why this primitiveMoving from 'buy once' to 'pay per look' aligns with high-volume mobile editing and AI-generated imagery. x402 turns the preset into a metered service rather than a piratable file.
Required keys.
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The build prompt.
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Market sizing.
Indicative figures for hackathon pitches — refine with your own research before raising.