Hack history / 2021 / Hack or exploit
Zerogoki
Hack or exploit on Aug 8, 2021 · Oracle Misconfiguration
SOURCES AGREE ON DATE AND LOSS · 2 SOURCES
Lost
$670K
dollars at the time
Returned
none listed
as the sources state it
Rank
#1,058
among thefts by dollars lost
What happened
On August 8, 2021, Zerogoki was exploited for approximately $670K when an attacker provided a price oracle signed by legitimate private keys but containing crafted token swap amounts, bypassing normal validation and allowing unauthorized fund extraction.
Details
- Date
- Aug 8, 2021
- Kind
- Hack or exploit
- Method
- Oracle Misconfiguration
- How in
- Price, oracle and governance
- Target
- DeFi protocol
- Chains
- Ethereum
Reported by
Cite this page
SwanBluechip, "Zerogoki hack, Aug 8, 2021: $670K lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/ht30ee3f4dda/ (data as of 2026-10-31).