Showcase · Vol. 01

Working demos, deployed live.

Reference builds from the prompt library. Each demo is a real contract on Ethereum Sepolia with social login via Privy — no MetaMask, no faucet, no setup.

Dance · Sepolia DeployLive ↗

Choreo Ledger

Timestamp original choreography on-chain. Sign in with Google, paste an IPFS CID or a move's hash, and emit a permanent Logged event on Sepolia.

0x8D34f4951C852E3F6a22327f65e16aA5D8a8dF44

Payments · x402 v2Live ↗

x402 Paywall

Pay 0.01 USDC on Ethereum Sepolia to unlock a protected endpoint. One EIP-3009 signature, our own facilitator settles on-chain — a relayer EOA pays the ETH gas.

Facilitator: /api/public/x402-paid-content