Short bio in third person

Sergei is a blockchain researcher and protocol engineer specializing in security, privacy, and scalability. He was a protocol research engineer at the Institute of Free Technology (IFT) / Logos, working on privacy-preserving P2P incentivization. He contributed to Bitcoin and Lightning at Chaincode Labs and completed a PhD at the University of Luxembourg on blockchain security and privacy, including Ethereum smart contracts. He co-hosts Basic Block Radio, a technical podcast in Russian.