On February 2024, Seneca was exploited in a arbitrary call, resulting in approximately $6M in losses. That makes the Seneca exploit the 42nd largest DeFi incident out of 690 documented in our archive.
Attack Mechanics: How the Seneca Arbitrary Call Played Out
Exploit Class Applied to Seneca
The Seneca incident on February 28, 2024 is classified as a Arbitrary Call. The contract executes an external call with attacker-controlled target or calldata, letting them impersonate the contract. In the full archive, Seneca is 1 of 21 documented arbitrary call incidents.
Seneca in Context
The $6M loss at Seneca is the largest arbitrary call incident in our archive, ahead of – Rubic (2022, $1.5M).
Prior Arbitrary Call Before Seneca
The nearest arbitrary call incident before Seneca was BmiZapper, 42 days earlier on January 17, 2024 ($114K lost). The same exploit class surfaced again within the arbitrary call attack surface.
Seneca Vulnerability Signature
The primary source categorises the Seneca exploit specifically as “Arbitrary External Call Vulnerability”. This narrower label is entity-specific: it reflects how the Seneca contract failed, rather than the broad arbitrary call pattern alone.
Impact & Recovery for Seneca
Seneca Loss Figure
The Seneca exploit caused $6,000,000 in losses — a significant ($1M–$10M) incident and the 13th largest of 188 documented in 2024. This single incident represents 1.6% of all tracked losses that year.
Where Seneca Sits Among Arbitrary Call Attacks
Ranked by loss size, Seneca is the 1st largest of 21 arbitrary call incidents documented. That puts the Seneca loss above the class average of $783.5K.
Timeline Since the Seneca Incident
The Seneca exploit occurred 2.1 years ago (776 days). The contract, its fork-block, and the attack transaction remain on-chain and forensically reproducible.
Primary Reference for Seneca
Public post-mortem / on-chain analysis for the Seneca incident: view source.
FAQ
How much did Seneca lose?
The Seneca exploit in February 2024 resulted in $6,000,000 in losses — the 13th largest of 188 DeFi incidents that year.
When did the Seneca hack happen?
The Seneca exploit was recorded on February 28, 2024 — 776 days ago.
What type of exploit hit Seneca?
The Seneca incident is classified as a Arbitrary Call. The contract executes an external call with attacker-controlled target or calldata, letting them impersonate the contract.
How common is the Arbitrary Call pattern seen at Seneca?
Our archive contains 21 documented arbitrary call incidents. The Seneca incident is one of them.
How does Seneca compare to the largest Arbitrary Call attack?
The largest arbitrary call incident in our archive is – Rubic (2022) at $1.5M. The Seneca loss is $6M.
What challenge does the Ethereum network face with respect to transaction fees?
The network faces challenges of network congestion and increased transaction costs, affecting its accessibility and efficiency.
What regulatory challenges do cryptocurrencies face?
Cryptocurrencies face challenges related to investor protection, financial crime prevention, and ensuring financial stability.