The parts
Stack
- Cardano preprod, Blockfrost, Evolution SDK for transactions
- x402 v2:
@x402/cardano,@x402/hono,@x402/fetch,@x402/mcp - Masumi
vested_payV2 validator, used unchanged, with a reference script on chain - CIP-30 wallets and CIP-8 signatures for sign-in and signed listings
- Bun workspaces, Turborepo, TypeScript, Biome
- One VPS runs the API and services in Docker; the frontends run on Vercel