shield Business Logic Flaw · $200M loss

– EulerFinance Hack: How $200M Was Lost in a Business Logic Flaw (2023)

On March 2023, – EulerFinance was exploited in a business logic flaw, resulting in approximately $200M in losses. That makes the – EulerFinance exploit the 2nd largest DeFi incident out of 690 documented in our archive.

Attack Mechanics: How the – EulerFinance Business Logic Flaw Played Out

Exploit Class Applied to – EulerFinance

The – EulerFinance incident on March 13, 2023 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, – EulerFinance is 1 of 144 documented business logic flaw incidents.

– EulerFinance in Context

The $200M loss at – EulerFinance is the largest business logic flaw incident in our archive, ahead of Nomad Bridge (2022, $152M).

Prior Business Logic Flaw Before – EulerFinance

The nearest business logic flaw incident before – EulerFinance was – DYNA, 19 days earlier on February 22, 2023 ($21K lost). The same exploit class surfaced again within the business logic flaw attack surface.

Impact & Recovery for – EulerFinance

– EulerFinance Loss Figure

The – EulerFinance exploit caused $200,000,000 in losses — a mega ($100M+) incident and the 1st largest of 214 documented in 2023. This single incident represents 31.2% of all tracked losses that year.

Where – EulerFinance Sits Among Business Logic Flaw Attacks

Ranked by loss size, – EulerFinance is the 1st largest of 144 business logic flaw incidents documented. That puts the – EulerFinance loss above the class average of $6.08M.

Timeline Since the – EulerFinance Incident

The – EulerFinance exploit occurred 3.1 years ago (1,128 days). The contract, its fork-block, and the attack transaction remain on-chain and forensically reproducible.

Primary Reference for – EulerFinance

Public post-mortem / on-chain analysis for the – EulerFinance incident: view source.

FAQ

How much did – EulerFinance lose?

The – EulerFinance exploit in March 2023 resulted in $200,000,000 in losses — the 1st largest of 214 DeFi incidents that year.

When did the – EulerFinance hack happen?

The – EulerFinance exploit was recorded on March 13, 2023 — 1,128 days ago.

What type of exploit hit – EulerFinance?

The – EulerFinance 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 – EulerFinance?

Our archive contains 144 documented business logic flaw incidents. The – EulerFinance incident is one of them.

How does – EulerFinance compare to the largest Business Logic Flaw attack?

The largest business logic flaw incident in our archive is Nomad Bridge (2022) at $152M. The – EulerFinance loss is $200M.

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