Peter Bushnell

Core Developer & Protocol Engineer @Self Id, Inc

Oxford, GB

Built Bitcoin Layer-1 Middleware (Taproot): Developed the Taproot Mediator and a low-level NPM library to interface with the Bitcoin blockchain. Engineered logic for Commit/Reveal transactions and implemented Fee Bumping (RBF) strategies to ensure settlement reliability during network congestion.Engineered Content Search & Indexing: Architected the DID Indexing Service to crawl the p2p network, index DID Documents, and make revealed Verifiable Credential content fully searchable. Implemented notification pipelines to track identity updates.Hardened Wallet Security: Implemented industry-standard cryptographic encryption for the suite’s non-custodial wallet, ensuring secure local key management and the protection of sensitive identity data.Led TypeScript Migration: Spearheaded the complete refactoring of the codebase (including all core packages and microservices) to TypeScript, significantly improving type safety, developer experience, and system maintainability.Developed Reference Client Ecosystem: Built the reference implementations for the protocol, including a browser extension and a cross-platform React application. Validated backend API designs by consuming them in production-grade mobile and desktop environments.

The Open University

Certificate, Technology and Computing

The Open University

BSc Open degree, Computing and IT