shield Reentrancy · $4M loss

– DFXFinance Hack: How $4M Was Lost in a Reentrancy (2022)

On November 2022, – DFXFinance was exploited in a reentrancy, resulting in approximately $4M in losses. That makes the – DFXFinance exploit the 50th largest DeFi incident out of 690 documented in our archive.

Attack Mechanics: How the – DFXFinance Reentrancy Played Out

Exploit Class Applied to – DFXFinance

The – DFXFinance incident on November 10, 2022 is classified as a Reentrancy. A malicious contract re-enters a vulnerable function before state is updated, letting it drain funds multiple times. In the full archive, – DFXFinance is 1 of 51 documented reentrancy incidents.

– DFXFinance in Context

At $4M, the – DFXFinance exploit is a significant ($1M–$10M) event compared to the largest same-class incident in our archive — Curve (2023) at $41M.

Prior Reentrancy Before – DFXFinance

The nearest reentrancy incident before – DFXFinance was N00d Token, 15 days earlier on October 26, 2022. The same exploit class surfaced again within the reentrancy attack surface.

Impact & Recovery for – DFXFinance

– DFXFinance Loss Figure

The – DFXFinance exploit caused $4,000,000 in losses — a significant ($1M–$10M) incident and the 4th largest of 129 documented in 2022. This single incident represents 1.8% of all tracked losses that year.

Where – DFXFinance Sits Among Reentrancy Attacks

Ranked by loss size, – DFXFinance is the 3rd largest of 51 reentrancy incidents documented. That puts the – DFXFinance loss above the class average of $2.87M.

Timeline Since the – DFXFinance Incident

The – DFXFinance exploit occurred 3.4 years ago (1,251 days). The contract, its fork-block, and the attack transaction remain on-chain and forensically reproducible.

Primary Reference for – DFXFinance

Public post-mortem / on-chain analysis for the – DFXFinance incident: view source.

FAQ

How much did – DFXFinance lose?

The – DFXFinance exploit in November 2022 resulted in $4,000,000 in losses — the 4th largest of 129 DeFi incidents that year.

When did the – DFXFinance hack happen?

The – DFXFinance exploit was recorded on November 10, 2022 — 1,251 days ago.

What type of exploit hit – DFXFinance?

The – DFXFinance incident is classified as a Reentrancy. A malicious contract re-enters a vulnerable function before state is updated, letting it drain funds multiple times.

How common is the Reentrancy pattern seen at – DFXFinance?

Our archive contains 51 documented reentrancy incidents. The – DFXFinance incident is one of them.

How does – DFXFinance compare to the largest Reentrancy attack?

The largest reentrancy incident in our archive is Curve (2023) at $41M. The – DFXFinance loss is $4M.

How does blockchain technology impact the auditing sector?

By offering a secure, transparent, and automated method of conducting audits, enhancing the speed and effectiveness of auditing procedures.

What kind of data is used to measure ESG performance?

ESG performance is measured using a score variable from Thomson Reuters Eikon.