Bitcoin Proposal to Retire Legacy Signatures Against Quantum Threats

A new Bitcoin Improvement Proposal (BIP) aims to tackle the threat posed by quantum computers by phasing out Bitcoin’s legacy signature schemes, which can be vulnerable to quantum attacks, in favor of quantum-resistant alternatives.

The proposal, titled “Post Quantum Migration and Legacy Signature Sunset,” was drafted earlier this week by a group of cryptography and blockchain experts, including American software engineer Jameson Lopp and BitcoinQS founder Christian Papathanasiou.

While quantum computers powerful enough to crack Bitcoin’s…