On September 2023, APIG was exploited in a business logic flaw, resulting in approximately $169K in losses. That makes the APIG exploit the 180th largest DeFi incident out of 690 documented in our archive.
Attack Mechanics: How the APIG Business Logic Flaw Played Out
Exploit Class Applied to APIG
The APIG incident on September 8, 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, APIG is 1 of 144 documented business logic flaw incidents.
APIG in Context
At $169K, the APIG 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 APIG
The nearest business logic flaw incident before APIG was DAppSocial, 6 days earlier on September 2, 2023 ($16K lost). The same exploit class surfaced again within the business logic flaw attack surface.
Impact & Recovery for APIG
APIG Loss Figure
The APIG exploit caused $169,000 in losses — a minor (<$1M) incident and the 69th largest of 214 documented in 2023.
Where APIG Sits Among Business Logic Flaw Attacks
Ranked by loss size, APIG is the 35th largest of 144 business logic flaw incidents documented. That puts the APIG loss below the class average of $6.08M.
Timeline Since the APIG Incident
The APIG exploit occurred 2.6 years ago (949 days). The contract, its fork-block, and the attack transaction remain on-chain and forensically reproducible.
Primary Reference for APIG
Public post-mortem / on-chain analysis for the APIG incident: view source.
FAQ
How much did APIG lose?
The APIG exploit in September 2023 resulted in $169,000 in losses — the 69th largest of 214 DeFi incidents that year.
When did the APIG hack happen?
The APIG exploit was recorded on September 8, 2023 — 949 days ago.
What type of exploit hit APIG?
The APIG 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 APIG?
Our archive contains 144 documented business logic flaw incidents. The APIG incident is one of them.
How does APIG compare to the largest Business Logic Flaw attack?
The largest business logic flaw incident in our archive is – EulerFinance (2023) at $200M. The APIG loss is $169K.
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The process includes setup, minting, payment channel establishment, update, and closure phases.