Hack history / 2021 / Hack or exploit
SashimiSwap
Hack or exploit on Dec 30, 2021 · Swap Logic Flaw
SOURCES AGREE ON DATE AND LOSS · 2 SOURCES
Lost
$210K
dollars at the time
Returned
none listed
as the sources state it
Rank
#1,470
among thefts by dollars lost
What happened
SashimiSwap was exploited via improper swap and router architectural design. An attacker used a 400 ETH flash loan to create fraudulent token pairings with liquidity, then exploited the UniswapRouter contract's swap logic to extract value. The attack was initiated on December 30, 2021 at 09:06 UTC, resulting in approximately $210K in losses.
Details
- Date
- Dec 30, 2021
- Kind
- Hack or exploit
- Method
- Swap Logic Flaw
- How in
- Smart contract bug
- Target
- DeFi protocol
- Chains
- Ethereum
Reported by
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Cite this page
SwanBluechip, "SashimiSwap hack, Dec 30, 2021: $210K lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/ht205c085e7a/ (data as of 2026-10-31).