Zilliqa just hit the emergency brakes. The project has suspended native ZIL transfers after a serious flaw in its Ledger hardware wallet app left users’ private keys exposed — a rare and nasty wallet-side failure that’s now dragging a major exchange into the mix.
UpBit Sounds The Alarm
South Korea’s biggest crypto exchange quickly placed ZIL under cautionary status and kicked off a delisting review. While trading hasn’t been cut yet, the move signals serious scrutiny around security and investor risk. ZIL sank roughly 10% on the news as traders scrambled to digest the fall-out.
How Bad Is This Bug?
The issue stems from how the Ledger app handled randomness in transaction signatures. After roughly five native transactions signed through the app, attackers could potentially derive the private key using standard computing power. Zilliqa warned that any affected account should be considered compromised, with the leaked signature data permanently on-chain.
What’s Safe (For Now)
EVM-compatible transactions and software wallets appear unaffected. Zilliqa and partners like KuCoin have been tracing stolen funds, with the bug publicly disclosed around July 21.
The Bigger Lesson..
This isn’t just a Zilliqa issue — it’s a stark reminder that even “secure” hardware wallets can be undermined by app-level mistakes. Markets don’t forgive fast when user funds are at risk.
For holders: If you used the Zilliqa Ledger app for native transfers, rotate those keys immediately and treat this as a liquidity event.
The episode shows how quickly a technical flaw can spiral into exchange scrutiny and price agony.
Zilliqa is now in damage-control mode, but the trust hit could linger. Crypto hardware wallet users everywhere just got a loud wake-up call.
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