BTC—ETH—

Incident All ledgers

Popsicle Finance: $20.7m

Popsicle Finance lost $20.7m on 3 August 2021. Ranked 132nd of 1,272 crypto failures, with method, returned funds and comparable incidents.

Date
3 August 2021
Lost
$20.7m
Returned or repaid
None recorded
Target
DeFi Protocol
Category
Protocol Logic
Method
Reward Logic Flaw
Chains
Ethereum

On 3 August 2021, an attacker drained about $20.7M from Popsicle Finance's Sorbetto Fragola UniswapV3 optimizer pool. Share transfers did not update fee-tracking state, so the same fee rewards could be claimed repeatedly across accounts.

Against the ledger

Closest in size by the same method

DateTargetLostTypeMethodReturned
13 Feb 2021Alpha Finance$37.5mDeFi ProtocolBorrow Logic Flaw—
30 Nov 2021MonoX$31.4mDeFi ProtocolSwap Logic Flaw—
17 May 2021BearnFi$18.0mDeFi ProtocolWithdrawal Logic Flaw—
25 Mar 2025Abracadabra Spell$13.0mDeFi ProtocolLiquidation Logic Flaw—
30 Apr 2022Saddle Finance$11.0mDeFi ProtocolSwap Logic Flaw—

All failures in 2021 · The failures ledger

Amounts are DefiLlama’s estimates and can change as incidents are revalued. Its returned figure can include money a company repaid itself, not only funds recovered from attackers. Source: DefiLlama.

Cite this Bitminer.io, “Popsicle Finance, failures ledger”, data to 2 November 2026, https://bitminer.io/ledger/incident/popsicle-finance-2021-08-03/. How this is built