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Hack history / 2021 / Hack or exploit

SushiSwap

Hack or exploit on Jan 27, 2021 · Swap Logic Flaw

SOURCES AGREE ON DATE AND LOSS · 2 SOURCES
Lost
$104K
dollars at the time
Returned
none listed
as the sources state it
Rank
#1,706
among thefts by dollars lost

What happened

Attacker exploited SushiMaker's fee-conversion mechanism by creating a fake DIGG/WETH trading pair with minimal liquidity. By routing 0.05% of DIGG/WBTC swap fees through this illiquid pool, the attacker caused massive slippage and captured 81 ETH in outsized fees that should have gone to xSUSHI stakers.

Details

Date
Jan 27, 2021
Kind
Hack or exploit
Method
Swap Logic Flaw
How in
Smart contract bug
Target
DeFi protocol
Chains
Ethereum

Reported by

Related incidents

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SushiSwap 2020 · Hack or exploit · $15K
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NerveBridge 2021 · Hack or exploit · $537K
Cite this pageSwanBluechip, "SushiSwap hack, Jan 27, 2021: $104K lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/ht7c36553699/ (data as of 2026-10-31).
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