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Crypto
Glassnode says 10 percent of Bitcoin supply is structurally vulnerable to quantum computing, watch gaps by exchange
About 9.6 percent of Bitcoin\'s total supply is in a structurally unsafe state if quantum computers eventually break cryptography, an analysis said. On-chain data firm Glassnode estimated about 1.92 million BTC is tied to address types that expose public keys. It highlighted holdings linked to Satoshi Nakamoto, early-era coins and Taproot-based addresses. The analysis said theft risk is not imminent and noted wide differences in exposure across institutions and exchanges.
Crypto
Bitcoin, ethereum diverge on quantum computing response strategies
As quantum computing emerges as a long-term security challenge for blockchain, bitcoin and ethereum are taking different approaches. Bitcoin is leaning toward gradual steps that preserve its existing structure, including proposals such as BIP-360 to reduce public key exposure. Ethereum is outlining a structured roadmap that treats quantum resistance as a multi-layer system upgrade, emphasising cryptographic agility. Both networks have yet to finalise solutions, and near-term market impact is seen as limited.
Crypto
Why bitcoin held up despite quantum computing fears, Bernstein says risk already priced in
Bernstein said the bitcoin market has already priced in a range of risks, including quantum-security worries, pointing to a roughly 50 percent fall from its October 2025 record high. The view follows recent Google research suggesting future quantum computers could break elliptic-curve cryptography in some blockchain designs. Bernstein said Bitcoin Core developers still have time to choose a post-quantum upgrade path. Others said the main challenge is social adoption, including moving users to new standards.
