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Elliptic-curve digital signature algorithm widely used in TLS, Bitcoin, and Ethereum; NIST plans to deprecate it by 2030 and disallow it by 2035.
Ethereum researcher Justin Drake says ECDSA could break in the worst case within months and wants coins moved to fresh addresses. Of six other people Cointelegraph quotes, one shares his alarm, two dispute the evidence and three question the remedy.
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Ethereum Foundation researcher Justin Drake says AI could break ECDSA in "months not years" and wants large holders on fresh addresses now. Custodians would bear most of the cost, and his evidence is a single AI math result.
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Zakura, a Zcash full-node builder, expects opcodes for hash-based signatures on transparent payments to land in Zcash in January. No date has been confirmed for switching them on across the network, so January is when the code arrives and the protection date is still open.
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Ava Labs has an internal group studying hash-based signatures as a fallback for Avalanche's ECDSA, CEO Emin Gun Sirer said on October 9. Nothing is scheduled for the protocol, so the effort is a hedge against a failure Sirer ranks behind ordinary code bugs.
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Europol named wallet keys as crypto's main quantum exposure, a risk that covers the 6.04 million bitcoin Glassnode counts with public keys already on-chain. Its report says those coins can be protected only by moving them before an attack, so the length of the migration queue sets the deadline for custodians.
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Vitalik Buterin said AI-driven mathematics has a good chance of seriously weakening lattice cryptography within two years. He offered no demonstrated attack, and for teams adopting post-quantum schemes the forecast argues for lattice deployments built to be replaced.
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Vitalik Buterin says AI-driven maths research has a "good chance" of significantly weakening lattice signatures such as ML-DSA within two years. His fixes put the cost on key sizes and multisig signing routines while steering holders away from mass fund migrations.
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UC San Diego and INRIA researchers forged RSA signatures on a 1,024-bit key inside a hardware security module after about 4 billion signing requests. The key stayed inside the device throughout, so for custodians the exposure is in signing settings, starting with the FIPS mode the researchers switched off.
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DHSeaDev's write-up on the browser card game Prismwar shows a replay check passing ten of ten matches because the recorder and the playback player both skipped the AI's defence step, so the round trip compared a bug against a copy of itself.
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LayerZero shipped a lattice-based proof component on Wednesday; Coinbase gathered Bitcoin developers and custodians at Stanford and left without a chosen signature scheme, which is the piece no date can order.
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The G7's report carries no binding force and never says the word crypto, arriving four months before the EU wants member states moving, and it pushes quantum readiness into government procurement, which is how the cost eventually reaches private custodians.
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Blockstream's SHRINCS is the first post-quantum signature scheme written to Bitcoin's block economics, and Jonas Nick says up front it is not optimal. The argument now is about price.
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A contributor's draft would make the validator deposit contract variable length and add a mode to end BLS signatures permanently. It is unfinished, unnumbered, and aimed at a 2029 target that may move.
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