[Musk Jokes About 'Quantum Threat': Forgetting Wallet Passwords May Not Be a Problem in the Future] Musk joked about the 'quantum threat,' saying: On the bright side, if you forget your wallet password, you might still be able to unlock it in the future. Google recently set 2029 as the deadline for its post-quantum cryptography migration, warning that the quantum threat is rapidly approaching. In a blog post today, Google also stated: Most blockchains rely on the vulnerable ECDLP-256 protocol, and quantum-resistant migration is urgently needed.