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Crypto

Google quantum chip Willow cuts computation errors 40-fold, but bitcoin security threat still distant

Google succeeds in cutting errors in “magic state,” a key resource for quantum computing, to about one-fortieth of the previous level. Its Quantum AI team reports achieving 99.99% logical accuracy using its Willow processor, but the performance remains far from levels needed to crack bitcoin or RSA-2048 encryption. Researchers cite a wide gap in required accuracy and note that Willow has 105 physical qubits, far below estimates for such attacks.

Crypto

Europol says crypto wallets vulnerable to quantum attacks, moving funds early is only solution

Europol urged the crypto industry and policymakers to prepare for quantum computing risks, warning cryptocurrency wallets using public and private keys are a key exposure point. It said blockchains’ hash functions and mining structures are relatively safer, but wallets with public keys already exposed on-chain could be hard to protect once attacks begin. Europol cited estimates of 6.04 million bitcoin exposed and flagged technical hurdles in switching to quantum-resistant signatures.

Crypto

Ethereum researcher warns AI may break ECDSA before quantum computers, urges \'bunker mode\' planning

Justin Drake of the Ethereum Foundation warned that the ECDSA signature system used by Bitcoin and Ethereum could be broken by AI before quantum computers reach “Q-day”. He urged the blockchain industry to plan for “bunker mode” and recommended a controlled mass migration of assets to fresh addresses whose public keys remain hidden behind a hash. He said holders should not rush or panic and urged major firms to harden cold storage.