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Morning Edition · Friday, August 28, 2026Published at 1:39 AM EDT · New York
A Race Condition Let a Ledger Device Sign a Transaction Different From the One on Its Screen
Ledger patched the Ethereum application on August 12, before researchers at OneKey disclosed the flaw, and says no losses have been reported.
The security team at OneKey, a competing hardware-wallet maker, says it reproduced a transaction-replacement attack against version 1.22.1 of Ledger's Ethereum application. The defect is a race condition between the code that renders transa…
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Implementation Bugs, Not Just Exploits, Threaten Custody
Cryptographic implementation errors in wallets and signers (biased nonces, reused randomness, faulty derivation) keep surfacing as a distinct custody risk alongside smart-contract exploits, eroding the assumption that certified hardware protects keys.
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