PixelWall · x402
Coordinate world-class public murals by enabling artists to claim physical grid coordinates via sub-cent micropayments. Each 0.01 USDC transaction locks a tile, triggers a localized task notification (e.g., 'Paint Prime Blue here'), and permanently anchors that stroke's metadata to the global map. Payments act as the consensus mechanism for space-time allocation on the wall.
The primitive.
Access to the public mural collaboration 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 moving from 'free collaboration' to 'pay-per-claim', you eliminate sybil attacks on public space. The 0.01 USDC fee functions as a digital deposit for physical action, ensuring every artist 'skin in the game' for their specific coordinate.
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.