Writing / topic

#Blockchain

Personal / Open Source

DHVVS — Decentralized Health Visit Verification

Replaces paper health-visit logs with a proof chain — physical presence, on-device ECDSA signing, async fraud scoring and EVM blockchain anchoring.

  • NestJS
  • TypeScript
  • Prisma
  • Neon
  • PostgreSQL
  • +11
◧ motion diagram

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