On April 2024, XBridge suffered a business logic flaw — the first of 144 documented business logic flaw incidents in our archive where the loss figure was not publicly disclosed but the exploit pattern is documented below.
Attack Mechanics: How the XBridge Business Logic Flaw Played Out
Exploit Class Applied to XBridge
The XBridge incident on April 24, 2024 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, XBridge is 1 of 144 documented business logic flaw incidents.
XBridge in Context
The XBridge incident joins a class whose largest loss to date is – EulerFinance (2023) at $200M.
Prior Business Logic Flaw Before XBridge
The nearest business logic flaw incident before XBridge was HedgeyFinance, 5 days earlier on April 19, 2024 ($48M lost). The same exploit class surfaced again within the business logic flaw attack surface.
XBridge Vulnerability Signature
The primary source categorises the XBridge exploit specifically as “Logic Flaw”. This narrower label is entity-specific: it reflects how the XBridge contract failed, rather than the broad business logic flaw pattern alone.
Impact & Recovery for XBridge
XBridge Loss Figure
The loss figure for XBridge is not publicly disclosed. The primary source reports the exploit in non-USD terms, so no USD estimate is published here. For reference, the average loss across 144 business logic flaw incidents in our archive is $6.08M.
Timeline Since the XBridge Incident
The XBridge exploit occurred 2 years ago (720 days). The contract, its fork-block, and the attack transaction remain on-chain and forensically reproducible.
FAQ
How much did XBridge lose?
The XBridge loss figure is not publicly disclosed. The primary source reports the exploit in non-USD token terms, so no USD estimate is published here.
When did the XBridge hack happen?
The XBridge exploit was recorded on April 24, 2024 — 720 days ago.
What type of exploit hit XBridge?
The XBridge 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 XBridge?
Our archive contains 144 documented business logic flaw incidents. The XBridge incident is one of them.
How does XBridge compare to the largest Business Logic Flaw attack?
The largest business logic flaw incident in our archive is – EulerFinance (2023) at $200M. The XBridge loss was not publicly disclosed.
What is the main goal of comparing DAG-based DLTs to blockchain platforms?
To evaluate their performance in terms of transaction throughput and network latency.
What percentage of the US adult population is estimated to hold crypto assets?
Approximately 20% of the US adult population is estimated to hold some crypto assets.