Zilliqa has disclosed a vulnerability in its Ledger app related to random number generation, putting the private keys of five or more native transactions signed between 2019 and 2026 at risk of being recovered. The vulnerability arises because the highest 64 bits of the random number were fixed at zero, resulting in insufficient entropy, allowing attackers to recover private keys using on-chain data. Zilliqa has suspended native transactions and advises users to await official guidance and refrain from taking independent action. EVM transactions and related SDKs are unaffected.
Zilliqa Discloses Ledger App Vulnerability Affecting Private Keys of 5+ Native Transactions
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Summary
Zilliqa has issued a vulnerability alert regarding its Ledger app, warning that private keys for native transactions could be compromised if five or more such transactions were made between 2019 and 2026. The issue arises from a flaw in random number generation, where the highest 64 bits were fixed at zero. Native transactions have been temporarily paused, and users are advised to await further instructions. EVM transactions and SDKs remain unaffected. This crypto update underscores the need for immediate action by affected users.
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