**Major Contributions to Crypto/DeFi:** - Co-founded MakerD…
**Major Contributions to Crypto/DeFi:**
- Co-founded MakerDAO in 2015 with Rune Christensen - the first decentralized stablecoin project on Ethereum
- Designed and built the Single-Collateral Dai system, launched in December 2017
- Led development of Wrapped Ether (WETH) in 2016, an important ERC-20 compatible token
- Co-authored the Balancer white paper in 2019 for a decentralized exchange
- Co-founded the RAI project in 2020, creating a purely crypto-backed stablecoin
- Co-founded RICO in 2022, a next-generation stablecoin project
- Identified critical security vulnerabilities in smart contracts and engineered protections