Yasmarang PRNG Flaw Compromises Multiple Coldcard Features Despite Secure Mnemonic Generation

Yasmarang PRNG defect endangers Coldcard functions including paper wallets and cloning. Secret data exposure risk persists even when mnemonics are secured via dice rolls or imports.

Woofun AI reports that the Yasmarang PRNG flaw compromises multiple Coldcard features, including paper wallets, device cloning, USB sessions, Secret Teleport, co-signing keys, password generator, and HSM mode. Even if the Bitcoin mnemonic remains secure through dice roll generation or import, utilizing these specific features may still expose secret information derived from the defective random number generator.