{"type":"rich","version":"1.0","author_name":"Amboss (npub19t…9nlea)","author_url":"https://nostr.ae/npub19tcpurtt6xulhw0r6sc404j9jraj0h8me2lzs7z2tqewz7l0hpas59nlea","provider_name":"njump","provider_url":"https://nostr.ae","html":"Sony lost the PlayStation 3 master key because one throwaway number got used twice.\n\nThe same bug drained Bitcoin wallets in 2013.\n\nRun the attack yourself on real secp256k1. It takes 77 microseconds.\nhttps://drop.amboss.tech/signatures-explainer.html"}