On December 2023, BEARNDAO was exploited in a business logic flaw, resulting in approximately $769K in losses. That makes the BEARNDAO exploit the 101st largest DeFi incident out of 690 documented in our archive.
Attack Mechanics: How the BEARNDAO Business Logic Flaw Played Out
Exploit Class Applied to BEARNDAO
The BEARNDAO incident on December 5, 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, BEARNDAO is 1 of 144 documented business logic flaw incidents.
BEARNDAO in Context
At $769K, the BEARNDAO 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 BEARNDAO
The nearest business logic flaw incident before BEARNDAO was UnverifiedContr_0x431abb, 4 days earlier on December 1, 2023 ($500K lost). The same exploit class surfaced again within the business logic flaw attack surface.
Impact & Recovery for BEARNDAO
BEARNDAO Loss Figure
The BEARNDAO exploit caused $769,000 in losses — a minor (<$1M) incident and the 40th largest of 214 documented in 2023. This single incident represents 0.1% of all tracked losses that year.
Where BEARNDAO Sits Among Business Logic Flaw Attacks
Ranked by loss size, BEARNDAO is the 19th largest of 144 business logic flaw incidents documented. That puts the BEARNDAO loss below the class average of $6.08M.
Timeline Since the BEARNDAO Incident
The BEARNDAO exploit occurred 2.4 years ago (861 days). The contract, its fork-block, and the attack transaction remain on-chain and forensically reproducible.
Primary Reference for BEARNDAO
Public post-mortem / on-chain analysis for the BEARNDAO incident: view source.
FAQ
How much did BEARNDAO lose?
The BEARNDAO exploit in December 2023 resulted in $769,000 in losses — the 40th largest of 214 DeFi incidents that year.
When did the BEARNDAO hack happen?
The BEARNDAO exploit was recorded on December 5, 2023 — 861 days ago.
What type of exploit hit BEARNDAO?
The BEARNDAO 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 BEARNDAO?
Our archive contains 144 documented business logic flaw incidents. The BEARNDAO incident is one of them.
How does BEARNDAO compare to the largest Business Logic Flaw attack?
The largest business logic flaw incident in our archive is – EulerFinance (2023) at $200M. The BEARNDAO loss is $769K.
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