
Anthropic method reconstructs P-256 seed tied to passkey security
Anthropic's timestamp-based recipe recovers P-256's public seed, offering provenance evidence while leaving some curve choices unexplained.
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Anthropic's timestamp-based recipe recovers P-256's public seed, offering provenance evidence while leaving some curve choices unexplained.

Anthropic's model used a timestamp-based method to rebuild the P-256 curve's public seed, CryptoSlate reports, though parameter selection remains unexplained.

Google says its Willow chip prepares key quantum states with about 40 times fewer errors, a hardware advance with implications for bitcoin's cryptography.

Coinbase says bitcoin should begin preparing for quantum threats now, proposing flexible addresses and a backup quantum-proof key.
Avalanche founder Emin Gün Sirer says AI-driven vulnerability discovery may pose a bigger near-term risk to the XRP Ledger than the fall of existing cryptography.

Fresh figures from a Glassnode co-founder put more than 6 million BTC in outputs whose public keys are already visible, as Justin Drake urges crypto to prepare for AI-era threats to wallet cryptograph

Figures shared by a Glassnode co-founder point to more than 6 million bitcoin in outputs with visible public keys, as Justin Drake urges prep for AI-era cryptographic attacks.

A newly flagged Bitcoin Improvement Proposal would let compliant ECDSA signatures be reproduced so deviations can be spotted without proving malicious firmware.
In a September 27 blog essay, Ethereum's co-founder said work after next year's upgrade will center on advanced cryptography and quantum-safe designs.

Zakura says new cryptography stack speeds mobile proof generation, reducing private ZEC waits from seconds to under 200 ms.

Zakura says new cryptography stack cuts private ZEC proof generation from seconds to under 200ms.

A new proposal called SPHINCS- aims to lower the cost of quantum-resistant signature verification on Ethereum.

A Coinbase-convened panel urges Bitcoin to prepare for quantum attacks but is split on freezing vulnerable coins.

A Zcash bug found with Anthropic's Claude Opus 4.8 highlights the growing role of frontier AI in security research.