Hack history / 2021 / Hack or exploit
EvoDefi
Hack or exploit on Jun 10, 2021 · Reward Logic Flaw
SOURCES AGREE ON DATE AND LOSS · 2 SOURCES
Lost
$1M
dollars at the time
Returned
none listed
as the sources state it
Rank
#947
among thefts by dollars lost
What happened
A design flaw in EvoDefi's MasterChef fork allowed attackers to arbitrage reward distribution by exploiting an incorrect update logic that failed to deduct minted rewards. The vulnerability allowed repeated reward claims without proper accounting.
Details
- Date
- Jun 10, 2021
- Kind
- Hack or exploit
- Method
- Reward Logic Flaw
- How in
- Smart contract bug
- Target
- DeFi protocol
- Chains
- BNB Chain
Reported by
Related incidents
Popsicle Finance 2021 · Hack or exploit · $20.7M
Polkatrain 2021 · Hack or exploit · $3M
ApeRocket 2021 · Hack or exploit · $1.3M
AutoShark 2021 · Hack or exploit · $823K
Merlin 2021 · Hack or exploit · $680K
Polkatrain 2021 · Hack or exploit · $3M
ApeRocket 2021 · Hack or exploit · $1.3M
AutoShark 2021 · Hack or exploit · $823K
Merlin 2021 · Hack or exploit · $680K
Cite this page
SwanBluechip, "EvoDefi hack, Jun 10, 2021: $1M lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/htb71f8f0384/ (data as of 2026-10-31).