Hack history / 2021 / Hack or exploit
Popsicle Finance
Hack or exploit on Aug 3, 2021 · Reward Logic Flaw
ATTACK TX CONFIRMED ON CHAININ REVIEWSOURCES AGREE ON DATE AND LOSS · 5 SOURCES
Lost
$20.7M
sources: $20M to $25M
Returned
none listed
as the sources state it
Rank
#199
among thefts by dollars lost
What happened
On 3 August 2021 an attacker exploited Popsicle Finance's Sorbetto Fragola UniswapV3 optimizer pool where share transfers did not update fee-tracking state, allowing the same fee rewards to be claimed multiple times across accounts, draining ~$20.7M.
In review: possible duplicate within one source.
Details
- Date
- Aug 3, 2021
- Kind
- Hack or exploit
- Method
- Reward Logic Flaw
- How in
- Smart contract bug
- Target
- DeFi protocol
- Chains
- Ethereum
- Audit (rekt.news)
- Peckshield
Related incidents
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AutoShark 2021 · Hack or exploit · $823K
Merlin 2021 · Hack or exploit · $680K
ApeRocket 2021 · Hack or exploit · $1.3M
EvoDefi 2021 · Hack or exploit · $1M
AutoShark 2021 · Hack or exploit · $823K
Merlin 2021 · Hack or exploit · $680K
Cite this page
SwanBluechip, "Popsicle Finance hack, Aug 3, 2021: $20.7M lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/ht087ff436c5/ (data as of 2026-11-01).