Code & Chain · Signal Desk

BonkDAO Suffers Governance Attack: Attacker Spends $4.4M to Buy Votes and Drained $20M Treasury

Original sourceCryptobriefing

Summary

BonkDAO’s $20 million treasury was drained by an attacker through a governance vote. The attacker purchased approximately $4.4 million worth of BONK tokens, gaining over 99% voting power, and submitted proposal BIP #76 around June 30, 2026. Because the DAO uses token-weighted voting on Realms with…

Key points

  • This case provides a painful lesson for DAO governance design, reminding investors and developers to evaluate the relationship between the cost of a governance attack and the size of the treasury.
  • The BonkDAO incident exposes the fatal flaw of low-quorum token-weighted governance, where an attacker only needs to acquire a relatively small amount of voting power to drain the treasury.
  • DAO participants should require projects to introduce timelocks, raise proposal approval thresholds, or use multi-signature treasury control, otherwise similar attacks could recur; investors need to re-examine the risks of governance tokens.

Editorial note

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