Bitcoin core developer steps back from Lightning Network over "hard dilemma"
Antoine Riard believes the Bitcoin community faces a "hard dilemma" as a new class of replacement cycling attacks threatens the Lightning Network. Security researcher and developer Antoine Riard is stepping down from the Lightning Network’s development, citing security issues and fundamental challenges to the Bitcoin ecosystem. According to a thread on the Linux Foundation’s public mailing list, Riard believes the Bitcoin community faces a "hard dilemma " as a new class of replacement cycling attacks puts Lightning in a "perilous position." How does a lightning replacement cycling attack work? There's a lot of discussion about this newly discovered vulnerability on the mailing lists, but the actual mechanism is a bit hard to follow. So here's an illustrated primer... 1/n pic.twitter.com/mvvS8bEc5f — mononaut (@mononautical) October 21, 2023 The Lightning Network is the second-layer solution built over the Bitcoin blockchain. It is designed to...