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Crypto

Stellar launches quantum security plan to upgrade all accounts by end-2027

Stellar developers unveiled a three-step roadmap to shift to quantum-resistant cryptography to counter threats from quantum computers. The plan starts in 2026 with changes for corporate wallets and institutions, then a 2027 protocol upgrade enabling all accounts to add quantum-resistant signers while keeping existing addresses. A final phase will retire the current cryptography, with timing to be decided later. The foundation flagged dormant accounts as a key challenge.

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.