Winkle: A Decentralized Checkpointing for Proof-of-Stake Systems | Protocol Labs Research
Winkle: a decentralized checkpointing for proof-of-stake systems
Protocol Labs Researcher Sarah Azouvi presents her research on Winkle, which protects any validator-based byzantine fault tolerant consensus mechanisms, such as those used in modern Proof-of-Stake blockchains, against long-range attacks where old validators’ signature keys get compromised.
Protocol Labs Research Talks / 2021.02.09