Passkeys are the new hype for easy onboarding, but it's a quite old protocol that has been hijacked for crypto purposes. We'll dig through the standard history, the potentially misleading security expectations, and see how to reverse engineer an implementation to validate its soundness
This is a rebroadcast of my devcon 7 presentation (https://archive.devcon.org/devcon-7/passkeys-the-good-the-bad-the-ugly/?tab=YouTube)
with some additional details on modern ETH wallets implementations