shield Other · $4 loss

How DAO Maker lost $4 to an unclassified exploit in September 2021

On September 2021, DAO Maker was exploited in a other, resulting in approximately $4 in losses. That makes the DAO Maker exploit the 466th largest DeFi incident out of 690 documented in our archive.

Attack Mechanics: How the DAO Maker Other Played Out

Exploit Class Applied to DAO Maker

The DAO Maker incident on September 3, 2021 is classified as a Other. A specific exploit class outside the most common buckets. In the full archive, DAO Maker is 1 of 188 documented other incidents.

DAO Maker in Context

At $4, the DAO Maker exploit is a minor (<$1M) event compared to the largest same-class incident in our archive — MIMSpell (2024) at $65M.

Prior Other Before DAO Maker

The nearest other incident before DAO Maker was Levyathan Finance, 37 days earlier on July 28, 2021 ($1 lost). The same exploit class surfaced again within the other attack surface.

DAO Maker Vulnerability Signature

The primary source categorises the DAO Maker exploit specifically as “Bad Access Controal”. This narrower label is entity-specific: it reflects how the DAO Maker contract failed, rather than the broad other pattern alone.

Impact & Recovery for DAO Maker

DAO Maker Loss Figure

The DAO Maker exploit caused $4 in losses — a minor (<$1M) incident and the 17th largest of 37 documented in 2021.

Where DAO Maker Sits Among Other Attacks

Ranked by loss size, DAO Maker is the 110th largest of 188 other incidents documented. That puts the DAO Maker loss below the class average of $2.03M.

Timeline Since the DAO Maker Incident

The DAO Maker exploit occurred 4.6 years ago (1,684 days). The contract, its fork-block, and the attack transaction remain on-chain and forensically reproducible.

Primary Reference for DAO Maker

Public post-mortem / on-chain analysis for the DAO Maker incident: view source.

FAQ

How much did DAO Maker lose?

The DAO Maker exploit in September 2021 resulted in $4 in losses — the 17th largest of 37 DeFi incidents that year.

When did the DAO Maker hack happen?

The DAO Maker exploit was recorded on September 3, 2021 — 1,684 days ago.

What type of exploit hit DAO Maker?

The DAO Maker incident is classified as a Other. A specific exploit class outside the most common buckets.

How common is the Other pattern seen at DAO Maker?

Our archive contains 188 documented other incidents. The DAO Maker incident is one of them.

How does DAO Maker compare to the largest Other attack?

The largest other incident in our archive is MIMSpell (2024) at $65M. The DAO Maker loss is $4.

What future research directions does the study propose?

Exploring more advanced AI algorithms for predictive auditing and further refining the blockchain framework to better handle the complexities of cloud manufacturing.

How does the proposed system ensure patient privacy and data confidentiality?

Through encryption, use of private blockchain networks, and secure access controls managed by smart contracts.