Danil Annenkov is a postdoc researcher at the Concordium Blockchain Research Center, Aarhus University working on formal verification of smart contracts. His research areas include programming language semantics, formal verification, proof assistants and type theory. Danil Annenkov received his PhD degree in Computer Science from the University of Copenhagen in 2018 under the supervision of Martin Elsman. After receiving his PhD degree, Annenkov was a postdoc researcher at INRIA Nantes, France, where he worked on extending the Coq proof assistant with new reasoning principles.