Over 1.7 Million Bitcoin Could Be Lost Under New Quantum Proposal
17 Apr 2026 · 08:01 UTC · CoinCentral RSS Feed · Original source
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Summary
Cardano founder Charles Hoskinson publishes critique of Bitcoin's proposed quantum defense mechanism, BIP-361. Hoskinson argues the proposal is incorrectly classified as a soft fork when it would actually constitute a hard fork. BIP-361 aims to defend Bitcoin against quantum computing threats by freezing quantum-vulnerable addresses and requiring migration to post-quantum resistant addresses. Hoskinson contends the zero-knowledge recovery system in BIP-361 is insufficient and could permanently lock out approximately 1.7 million Bitcoin created in early blockchain eras. The disagreement underscores technical tensions between implementing quantum resistance for long-term security and maintaining backward compatibility while avoiding forced address migrations for existing Bitcoin holders. The debate raises fundamental questions about Bitcoin's readiness for quantum computing era threats.
Why it matters
Market response hinges on community interpretation: if perceived as exposing a critical flaw, expect short-term bearish sentiment; if framed as constructive technical debate toward better solutions, expect neutral-to-bullish recovery. Key mechanistic drivers include: (1) Media amplification and institutional attention to quantum threats; (2) Development team response and technical solutions proposed; (3) Broader macro sentiment around Bitcoin security and long-term viability. Quantum threats are non-imminent, reducing panic-driven selling but increasing structural concern weight in long-term valuations. Bitcoin bears greater direct impact than altcoins due to larger concentration of old, quantum-vulnerable addresses. Primary uncertainties: unknown timeline to cryptographically-relevant quantum computers, unclear market prioritization of quantum risks versus near-term concerns, and whether community coalesces around superior solutions. Confidence is moderate due to technical complexity and difficulty predicting how markets price existential but distant risks.
Expected impact
The article presents Charles Hoskinson's technical critique of Bitcoin's proposed quantum defense mechanism (BIP-361). The core claim—that the proposal could result in permanent loss of 1.7 million Bitcoin—creates immediate negative sentiment around Bitcoin's quantum preparedness. Short-term market reaction (hours to days) likely negative as traders absorb implications of a potentially flawed quantum security strategy. However, the longer-term outlook (weekly to monthly) shifts positive as the community recognizes the critical importance of developing robust quantum-resistant solutions. Bitcoin experiences direct impact through heightened security concerns and development focus, while altcoins see secondary spillover through general risk sentiment. The quantum computing threat timeline remains distant (estimated 8-10+ years for practical attacks), limiting acute selling pressure but amplifying concerns about long-term structural Bitcoin viability.