Bitcoin's quantum debate splits as Adam Back pushes optional upgrades over forced freeze

What Happened

Bitcoin developers disagree on handling quantum computing threats. Adam Back advocates optional, gradual upgrades without forced migration timelines. Jameson Lopp's BIP-361 proposal mandates a five-year deadline to migrate quantum-vulnerable addresses or lose coins, affecting approximately 1 million bitcoin. Back argues Bitcoin's governance can respond quickly to emergencies. Recent quantum computing advances have accelerated the debate from theoretical to practical.

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