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0xdavid7/README.md

Hello there 👋 I'm David

X LinkedIn

About Me 🦀

  • Software & Blockchain Engineer with 4+ years of experience
  • Building with Rust, Go, Solidity & TypeScript
  • Working across Bitcoin, Ethereum, Solana & Cosmos
  • Exploring Cryptography, ZK, MPC & Distributed Systems

What I've Built 🚀

  • Smart Wallets — ERC-4337, EIP-7702, Paymaster & gasless transactions
  • DeFi Vaults — ERC-4626 lending, borrowing & yield strategies
  • Bitcoin Interoperability — Bitcoin ↔ Cosmos ↔ EVM cross-chain messaging
  • Bitcoin Vaults — Taproot, Schnorr, MuSig2, HTLCs & PSBT
  • Blockchain Infrastructure — Relayers, indexers, APIs, CLIs & developer tooling
  • Multichain Wallets — Bitcoin, Ethereum, TON & Gala wallet infrastructure
  • Privacy & Identity — ZK-SNARKs, DID & verifiable credentials

Building 🧪

I'm building some interesting ideas here → Lumen

Contact 📪

0xdavid7@proton.me

@0xdavid7's activity is private