Posts classified under: Séminaire Cryptologie et sécurité

In this talk, we will give a broad introduction of the Tezos blockchain by introducing its architecture and design choices regarding safety and security in an adversarial distributed system. We will then present Tezos smart-contract language: Michelson, a statically typed stacked-based (domain-specific) language. Lastly, we will talk an ongoing work aiming to develop a static … Continue reading Vincent Botbol – Introduction to the Tezos blockchain and static analysis of smart-contracts

In this talk, I will introduce FPPW, a new payment channel with watchtower scheme for Bitcoin. This new scheme provides fairness with respect to all channel participants including both channel parties and the watchtower. The watchtower in FPPW learns no information about the off-chain transactions and hence the channel balance privacy is preserved. As a … Continue reading Amin Sakzad – FPPW: A Fair and Privacy-Preserving Watchtower For Bitcoin