Hack history / 2020 / Hack or exploit
Ooki
Hack or exploit on Feb 18, 2020 · Spot Price Manipulation
ONE SOURCE · 1 SOURCE
Lost
$650K
dollars at the time
Returned
none listed
as the sources state it
Rank
#1,069
among thefts by dollars lost
What happened
On February 18, 2020 during ETHDenver, bZx was exploited via multi-protocol oracle manipulation across Kyber, Uniswap, dYdX, and Compound in a single transaction. Attacker manipulated sUSD pricing and front-ran liquidations, resulting in ~$645,000 in losses from dependence on unvalidated on-chain price oracles.
Details
- Date
- Feb 18, 2020
- Kind
- Hack or exploit
- Method
- Spot Price Manipulation
- How in
- Price, oracle and governance
- Target
- DeFi protocol
- Chains
- Ethereum
Reported by
Related incidents
Ooki 2021 · Hack or exploit · $55M
Ooki 2020 · Hack or exploit · $350K
Harvest Finance 2020 · Hack or exploit · $24M
Eminence 2020 · Hack or exploit · $15M
Warp Protocol 2020 · Hack or exploit · $7.8M
Ooki 2020 · Hack or exploit · $350K
Harvest Finance 2020 · Hack or exploit · $24M
Eminence 2020 · Hack or exploit · $15M
Warp Protocol 2020 · Hack or exploit · $7.8M
Cite this page
SwanBluechip, "Ooki hack, Feb 18, 2020: $650K lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/htab8bb1990a/ (data as of 2026-10-31).