Creative Blockchain
📷 Photography · focus tracking

FocusProof · Pay to Anchor

A forensic layer for professional photography. One 0.01 USDC payment over x402 anchors the WOTS+ seal on-chain — no subscription, no account.

x402 track · paid unlockPay-to-anchor· paid provenance
Section · Onchain

The primitive.

full primer →

Photographers pay 0.01 USDC once, in-page, and the focus tracking seal is written on-chain for them — no funded host-chain wallet, no subscription, just a payment log that ends in a real transaction.

Why this primitiveLoading details…

Kernel
a 0.01 USDC payment over x402 on Base Sepolia that buys one on-chain anchor — the server verifies the settlement, then a relayer writes the user's WOTS+ seal into the QUIP verifier on the host chain
Drives the UI as
a numbered payment log running from 402 challenge to settled USDC to the host-chain anchor tx, every hash a clickable explorer link
Appendix · Secrets

Required keys.

METAMASK_PRIVATE_KEY
Deploys the QUIP verifier to your host chain. Fund on Sepolia via the Google Cloud faucet.
open ↗
SEPOLIA_RPC_URL
Host-chain HTTPS RPC endpoint. Any Sepolia provider works.
open ↗
ETHERSCAN_API_KEY
Required for npx hardhat verify after deploy.
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 build prompt…
Open in Lovable ↗Sepolia Etherscan ↗
Appendix · Market

Market sizing.

TAM
…
SAM
…
SOM
…

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

See also

Adjacent entries.

focus tracking
FocusProof Network
Record lens focus data alongside images on IPFS for verifiable sharpness and authenticity. Ownership is sealed inside a post-quantum QUIP vault.
copyright registry
Snapshot Proof · Pay to Anchor
A high-frequency copyright layer for the screenshot era. Creators meter every license issuance, and platforms pay to verify provenance in real-time. No subscriptions, just provable ownership on-demand. One 0.01 USDC payment over x402 anchors the WOTS+ seal on-chain — no subscription, no account.
photo usage monitoring
LENSCHECK · Pay to Anchor
Pay-per-ping photo tracking. Embed an QUIP-pixel in your imagery; every time the asset is loaded, rendered, or scraped, the host must sign an EIP-3009 micropayment to maintain 'Licensing Valid' status. No more bulk audits—revenue scales with visibility. One 0.01 USDC payment over x402 anchors the WOTS+ seal on-chain — no subscription, no account.
community critique
Jury · Pay to Anchor
A hyper-competitive photo critique engine where feedback is a paid asset. Critiquers earn direct micro-bounties for every actionable review, verified by on-chain sentiment logic. No vanity likes, no bots—only skin in the game for real aesthetic growth. One 0.01 USDC payment over x402 anchors the WOTS+ seal on-chain — no subscription, no account.