Andrey Sobol is a consensus and protocol researcher at Matter Labs. He is also the host of the Buidl Radio podcast. Before joining Matter Labs, Andrey consulted for Horizon (ZenCash) and did research for the Tezos foundation. He also participated in the review of the bitcoin taproot proposal. Andrey has won several hackathons, including the ETHPrague hackathon, the Eastern European Tezos Hackathon, the BlockchainUA Hackathon, and the Melonport Hackathon. His scientific interests include consensus algorithms, game theory, cryptography, and the Austrian theory of the business cycle.