25% of Bitcoin at Risk: Developers Push for Quantum-Resistant Upgrade
2025-07-16 17:38:23
Main Idea
Developers warn that quantum computing could compromise 25% of Bitcoin's supply due to exposed public keys, prompting proposals for a quantum-resistant upgrade to enhance security.
Key Points
1. Jameson Lopp, CTO of Casa, proposed a quantum-resistant upgrade to Bitcoin's software to protect against future quantum computer attacks.
2. Approximately 4 million BTC (25% of supply) are at risk if public keys exposed on-chain are targeted by quantum computers.
3. A Deloitte study warns that a quantum attack could trigger heavy selling pressure, described as a 'liquidation event'.
4. Project Eleven reported over 10 million BTC addresses with exposed public keys, putting 6.2 million BTC ($500 billion) at risk.
5. The proposal aims to block sending BTC to vulnerable addresses (P2QRH) and improve cryptographic security against quantum threats.
Description
Developers are warning that a growing quantum computing threat could compromise 25% of Bitcoin’s supply due to exposed public keys. To combat this, Jameson Lopp, CTO and co-founder of self-custody service Casa, has proposed a quantum-resistant upgrade to the cryptocurrency’s software. A Three-Phase Solution According to a July 15 Bitcoin Improvement Proposal (BIPs), approximately 4 million BTC, including the 1 million believed to belong to Satoshi Nakamoto, are vulnerable to future quantum compu...
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