
Jameson Lopp and five co-authors have formally proposed BIP-361, a controversial three-phase plan titled "Post Quantum Migration and Legacy Signature Sunset" to protect the Bitcoin network from future quantum computing attacks. The proposal's most significant impact would be the freezing of roughly 1.7 million BTC—including Satoshi Nakamoto’s estimated $74 billion stash—that are currently locked in early, quantum-vulnerable "pay-to-pubkey" (P2PK) addresses.
