Client not disclosedIn productionSelected
Smart wallet infrastructure and on-chain IP licensing
Passkey-controlled wallets, no seed phrases.
- Client
- Web3 platform (United States)
- Sector
- Web3 and blockchain infrastructure
- Role
- Senior full-stack developer
- Period
- May 2025 — Ongoing
Scope
A wallet Backend-as-a-Service controlled by passkeys (WebAuthn) instead of seed phrases, plus an on-chain intellectual property registry portal with per-asset decentralised governance.
What was built
- End-to-end identity model refactor (one user = one record, cross-cutting 2FA), shipped to production
- In-depth portal audit: 19 confirmed findings, all fixed
- Fixed permanent event loss in the indexer (requeue plus on-chain resynchronisation)
- Tokenised licences, royalties and on-chain regulatory compliance
- Reads over WebSockets with an observer pattern, no polling
Stack
- NestJS
- Fastify
- Prisma
- CQRS
- RabbitMQ
- Solidity
- ERC-1155
- ERC-3643
- Next.js
- Kubernetes (k3s)
- IPFS
- WebAuthn / passkeys
- Keycloak
This work is described without naming the contracting organisation, out of commercial discretion. The name is not stored on this site or in its database — there is no hidden field to reveal. If you need the reference to evaluate a proposal or a hire, ask me and I will give it to you directly.