On April 2025, Laundromat was exploited in a business logic flaw, resulting in approximately $1.5K in losses. That makes the Laundromat exploit the 434th largest DeFi incident out of 690 documented in our archive.
Attack Mechanics: How the Laundromat Business Logic Flaw Played Out
Exploit Class Applied to Laundromat
The Laundromat incident on April 8, 2025 is classified as a Business Logic Flaw. A business-logic bug in the contract — such as an incorrect formula or missing state update — lets the attacker withdraw more than their share. In the full archive, Laundromat is 1 of 144 documented business logic flaw incidents.
Laundromat in Context
At $1.5K, the Laundromat exploit is a minor (<$1M) event compared to the largest same-class incident in our archive — – EulerFinance (2023) at $200M.
Prior Business Logic Flaw Before Laundromat
The nearest business logic flaw incident before Laundromat was UNI, 32 days earlier on March 7, 2025 ($14K lost). The same exploit class surfaced again within the business logic flaw attack surface.
Laundromat Vulnerability Signature
The primary source categorises the Laundromat exploit specifically as “Logic Flaw”. This narrower label is entity-specific: it reflects how the Laundromat contract failed, rather than the broad business logic flaw pattern alone.
Impact & Recovery for Laundromat
Laundromat Loss Figure
The Laundromat exploit caused $1,500 in losses — a minor (<$1M) incident and the 80th largest of 96 documented in 2025.
Where Laundromat Sits Among Business Logic Flaw Attacks
Ranked by loss size, Laundromat is the 97th largest of 144 business logic flaw incidents documented. That puts the Laundromat loss below the class average of $6.08M.
Timeline Since the Laundromat Incident
The Laundromat exploit occurred 1 years ago (371 days). The contract, its fork-block, and the attack transaction remain on-chain and forensically reproducible.
Primary Reference for Laundromat
Public post-mortem / on-chain analysis for the Laundromat incident: view source.
FAQ
How much did Laundromat lose?
The Laundromat exploit in April 2025 resulted in $1,500 in losses — the 80th largest of 96 DeFi incidents that year.
When did the Laundromat hack happen?
The Laundromat exploit was recorded on April 8, 2025 — 371 days ago.
What type of exploit hit Laundromat?
The Laundromat incident is classified as a Business Logic Flaw. A business-logic bug in the contract — such as an incorrect formula or missing state update — lets the attacker withdraw more than their share.
How common is the Business Logic Flaw pattern seen at Laundromat?
Our archive contains 144 documented business logic flaw incidents. The Laundromat incident is one of them.
How does Laundromat compare to the largest Business Logic Flaw attack?
The largest business logic flaw incident in our archive is – EulerFinance (2023) at $200M. The Laundromat loss is $1.5K.
What are the types of blockchain models mentioned?
Public, private, permissioned, and permissionless.
What are the future implications of the study's findings for sustainable finance?
Encourages the adoption of green bonds to support sustainable development and improve CSR practices.