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Wednesday, April 9, 2025 at 07:00 UTC

ZkLend

Rounding error in collateralization check.

Partial
Funds stolen
$9.50M
Recovered
$3.00M32%
Still outstanding
$6.50M
Chain
Ethereum
Category
DeFi
Attack vector
Smart Contract Bug
Reported by
PeckShield
Incident ID
h2025-2

Exploit & recovery timeline

  1. Apr 9, 2025 · 05:00 UTC
    Attack preparation

    Attacker wallets funded and staged ahead of the smart contract bug exploit against ZkLend.

  2. Apr 9, 2025 · 07:00 UTC
    Exploit executed

    $9.5M drained from ZkLend on Ethereum via Smart Contract Bug.

  3. Apr 9, 2025 · 08:00 UTC
    Detected by PeckShield

    PeckShield flagged the anomalous transactions and published an initial alert.

  4. Apr 9, 2025 · 11:00 UTC
    Protocol response

    ZkLend paused affected contracts or withdrawals and began tracing outbound flows.

  5. Apr 10, 2025 · 07:00 UTC
    Funds traced

    Stolen assets followed through mixers, bridges, and exchange deposit addresses.

  6. Apr 16, 2025 · 07:00 UTC
    Partial recovery

    $3.0M of $9.5M recovered (32%); the remainder is still unaccounted for.

  7. May 9, 2025 · 07:00 UTC
    Investigation continues

    Remaining funds monitored across chains with exchange partners notified.