On November 2023, EHX suffered a slippage abuse — the first of 13 documented slippage abuse incidents in our archive where the loss figure was not publicly disclosed but the exploit pattern is documented below.
Attack Mechanics: How the EHX Slippage Abuse Played Out
Exploit Class Applied to EHX
The EHX incident on November 15, 2023 is classified as a Slippage Abuse. Unprotected swap routes let the attacker extract value through sandwich trades or price drift. In the full archive, EHX is 1 of 13 documented slippage abuse incidents.
EHX in Context
The EHX incident joins a class whose largest loss to date is DCFToken (2025) at $442K.
Prior Slippage Abuse Before EHX
The nearest slippage abuse incident before EHX was grok, 5 days earlier on November 10, 2023. The same exploit class surfaced again within the slippage abuse attack surface.
EHX Vulnerability Signature
The primary source categorises the EHX exploit specifically as “Lack of Slippage Control”. This narrower label is entity-specific: it reflects how the EHX contract failed, rather than the broad slippage abuse pattern alone.
Impact & Recovery for EHX
EHX Loss Figure
The loss figure for EHX 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 13 slippage abuse incidents in our archive is $119.9K.
Timeline Since the EHX Incident
The EHX exploit occurred 2.4 years ago (881 days). The contract, its fork-block, and the attack transaction remain on-chain and forensically reproducible.
Primary Reference for EHX
Public post-mortem / on-chain analysis for the EHX incident: view source.
FAQ
How much did EHX lose?
The EHX 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 EHX hack happen?
The EHX exploit was recorded on November 15, 2023 — 881 days ago.
What type of exploit hit EHX?
The EHX incident is classified as a Slippage Abuse. Unprotected swap routes let the attacker extract value through sandwich trades or price drift.
How common is the Slippage Abuse pattern seen at EHX?
Our archive contains 13 documented slippage abuse incidents. The EHX incident is one of them.
How does EHX compare to the largest Slippage Abuse attack?
The largest slippage abuse incident in our archive is DCFToken (2025) at $442K. The EHX loss was not publicly disclosed.
What statistical technique is used to assess the fit of different distributions to cryptocurrency returns?
Statistical techniques like the Kolmogorov-Smirnov test, along with the Akaike Information Criterion (AIC), are used for assessing fit.
What role do smart contracts play in blockchain applications?
Smart contracts automate commercial agreements and transactions without the need for intermediaries, enhancing efficiency and reliability.