Zilliqa Ledger App Flaw Exposes Private Keys, Upbit Flags ZIL as a Cautionary Asset

Rickler Feed (@rickler_feed), Jul 22, 2026, 10:37 UTC

Zilliqa Ledger App Flaw Exposes Private Keys, Upbit Flags ZIL as a Cautionary Asset Zilliqa disclosed a critical nonce-generation flaw in its Ledger app that allows private keys to be recovered from public signatures after about five native transactions. The issue affected all versions released from 2019 to 2026, with active exploitation observed on July 19. Native transactions have been suspended; affected keys must be retired, while EVM transactions are unaffected. Upbit subsequently designated ZIL as a cautionary asset across its KRW and BTC markets. Deposits and withdrawals remain suspen…

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