Bitcoin Developers Propose Freezing Coins That Skip Quantum-Safe Migration Under BIP-361

15 April 2026
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A draft proposal circulating among Bitcoin developers would give holders roughly five years to move their coins to quantum-resistant addresses or watch them become permanently unspendable on the network. Key Takeaways: BIP-361, co-authored by Casa CTO Jameson Lopp, proposes freezing Bitcoin in legacy addresses within 5 years of activation. Over 34% of all Bitcoin has […]