Creative Blockchain
👗 Fashion & Textile Design · sustainable design

STITCH-LOCK · Paid Certificate

A real-time verification layer for circular fashion. Every 'proof of rebirth' provides the creator an instant micro-settlement, turning sustainable labor into a liquid asset stream. Paying 0.01 USDC over x402 returns a signed provenance certificate for the work.

x402 track · paid unlockPaid provenance certificate· signed receipt
Section · Onchain

The primitive.

full primer →

One 0.01 USDC payment turns the sustainable design record into a signed certificate fashion designers can email, attach or archive — and the page proves who signed it without asking anyone to trust the server.

Why this primitiveLoading details…

Kernel
a 0.01 USDC payment over x402 that returns a relayer-signed provenance certificate over the WOTS+ head — a portable document anyone can verify without trusting the issuer
Drives the UI as
a certificate card with the signed fields, the issuing signer, and a 'recover signer' check that runs in the browser
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.

sustainable design
Upcycle Proof
Mint NFTs for upcycled garment transformations as proof of sustainable creative ownership. The creator's existing wallet is wrapped with a post-quantum commitment.
design copyright
PatternGuard · Paid Certificate
A high-throughput timestamping layer for garment patterns and textile prints. This replaces slow, expensive legal filing with a sub-cent digital notary that protects designs the moment they leave the iPad. Paying 0.01 USDC over x402 returns a signed provenance certificate for the work.
pattern licensing
ThreadFlow · Paid Certificate
A headless textile library where digital pattern blocks are metered via QUIP. Every time a digital loom or 3D modeling software pulls a pattern coordinate, the creator is settled instantly. Shift from ownership to streaming fabric data. Paying 0.01 USDC over x402 returns a signed provenance certificate for the work.
collaborative design
Stitchflow · Paid Certificate
Instead of bulky governance votes, the design evolves through 'Proof of Stake' aesthetics; designers pay to commit changes to the master garment file. This creates a real-time, skin-in-the-game leaderboard for lead designers, where the final high-fidelity tech pack is unlocked and exported via a collective micropayment pool. Paying 0.01 USDC over x402 returns a signed provenance certificate for the work.