On February 2023, – swapX was exploited in a access control, resulting in approximately $1M in losses. That makes the – swapX exploit the 86th largest DeFi incident out of 690 documented in our archive.
Attack Mechanics: How the – swapX Access Control Played Out
Exploit Class Applied to – swapX
The – swapX incident on February 27, 2023 is classified as a Access Control. A privileged function lacks a proper authorisation check, letting an unauthorised caller execute it. In the full archive, – swapX is 1 of 77 documented access control incidents.
– swapX in Context
At $1M, the – swapX exploit is a significant ($1M–$10M) event compared to the largest same-class incident in our archive — Corkprotocol (2025) at $12M.
Prior Access Control Before – swapX
The nearest access control incident before – swapX was – FPR, 75 days earlier on December 14, 2022 ($29K lost). The same exploit class surfaced again within the access control attack surface.
Impact & Recovery for – swapX
– swapX Loss Figure
The – swapX exploit caused $1,000,000 in losses — a significant ($1M–$10M) incident and the 31st largest of 214 documented in 2023. This single incident represents 0.2% of all tracked losses that year.
Where – swapX Sits Among Access Control Attacks
Ranked by loss size, – swapX is the 7th largest of 77 access control incidents documented. That puts the – swapX loss above the class average of $636K.
Timeline Since the – swapX Incident
The – swapX exploit occurred 3.1 years ago (1,142 days). The contract, its fork-block, and the attack transaction remain on-chain and forensically reproducible.
Primary Reference for – swapX
Public post-mortem / on-chain analysis for the – swapX incident: view source.
FAQ
How much did – swapX lose?
The – swapX exploit in February 2023 resulted in $1,000,000 in losses — the 31st largest of 214 DeFi incidents that year.
When did the – swapX hack happen?
The – swapX exploit was recorded on February 27, 2023 — 1,142 days ago.
What type of exploit hit – swapX?
The – swapX incident is classified as a Access Control. A privileged function lacks a proper authorisation check, letting an unauthorised caller execute it.
How common is the Access Control pattern seen at – swapX?
Our archive contains 77 documented access control incidents. The – swapX incident is one of them.
How does – swapX compare to the largest Access Control attack?
The largest access control incident in our archive is Corkprotocol (2025) at $12M. The – swapX loss is $1M.
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