Adam Back Outlines Phased Quantum Upgrade for Bitcoin Users

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Adam Back (Blockstream CEO) proposes a phased post-quantum (PQ) upgrade for Bitcoin so users, exchanges (CEX), custodians and wallets can migrate and test safely; he warns against rushing unvetted cryptography. - He notes Bitcoin’s Taproot already contains quantum-ready elements, lowering immediate urgency and enabling incremental protocol updates rather than an emergency overhaul. - The measured PQ rollout focuses on long-term security and adoption, reducing quantum risk for custodians and market participants and supporting continued confidence in crypto infrastructure (security, protocol update, adoption).
- Adam Back urges a gradual quantum upgrade path to protect Bitcoin without rushing risky cryptography.
- Bitcoin’s Taproot design already embeds quantum-ready features, countering misconceptions from researchers.
- A phased PQ rollout lets users, exchanges, and custodians adapt safely as quantum risks evolve.
Bitcoin is preparing for potential quantum computing risks, with Blockstream CEO Adam Back advocating a gradual upgrade strategy. He emphasized a phased rollout of post-quantum security, giving users time to migrate safely.
Back also noted that Bitcoin’s Taproot design already includes quantum-ready elements, reducing urgency while allowing careful testing before broader implementation…
Bitcoin’s Phased Quantum Upgrade Strategy
In an X thread, Back pointed out that even leading quantum researchers can misunderstand Bitcoin’s design. He referenced a…
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