Hack history / 2023 / Hack or exploit

AzukiDAO

Hack or exploit on Jun 30, 2023 · Signature Replay

ATTACK TX CONFIRMED ON CHAINSOURCES AGREE ON DATE AND LOSS · 4 SOURCES

Lost

$69K

dollars at the time

Returned

none listed

as the sources state it

Rank

#1,847

among thefts by dollars lost

What happened

On July 3-4, 2023, AzukiDAO's governance token claim contract was exploited via signature replay when the signatureClaimed mapping was never verified. The attacker replayed one valid signature across multiple transactions to steal approximately 1.79M BEAN tokens (~$68,000).

Details

Date: Jun 30, 2023
Kind: Hack or exploit
Method: Signature Replay
How in: Smart contract bug
Target: DeFi protocol
Chains: Ethereum

Reported by

DefiLlama ↗
SlowMist Hacked ↗
Web3 Is Going Great ↗

Related incidents

MintoFinance 2023 · Hack or exploit · $9K

Cite this page

SwanBluechip, "AzukiDAO hack, Jun 30, 2023: $69K lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/htf383a72561/ (data as of 2026-10-31).

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