Adam Back advocates for optional quantum resistance upgrades for Bitcoin

Blockstream CEO Adam Back stated that btc-42">Bitcoin should adopt an optional quantum-resistant upgrade scheme, rather than the mandatory freezing of tokens at risk from quantum threats proposed in BIP-361.

The BIP-361 proposal suggests phasing out addresses vulnerable to quantum attacks over five years and ultimately freezing un-migrated tokens, including assets held by Satoshi Nakamoto. Google's latest research indicates that a superconducting qubit system may need fewer than 500,000 physical qubits to crack Bitcoin encryption in just a few minutes. Currently, about 6.9 million BTC are at risk from such threats. In response to the quantum threat, BitMEX Research proposed establishing a canary fund that would implement a full freeze only when expenditures occur from the relevant addresses.

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