shield Other

How attackers exploited HackDao in May 2022 (unclassified exploit)

On May 2022, HackDao suffered a other — the first of 188 documented other incidents in our archive where the loss figure was not publicly disclosed but the exploit pattern is documented below.

Attack Mechanics: How the HackDao Other Played Out

Exploit Class Applied to HackDao

The HackDao incident on May 24, 2022 is classified as a Other. A specific exploit class outside the most common buckets. In the full archive, HackDao is 1 of 188 documented other incidents.

HackDao in Context

The HackDao incident joins a class whose largest loss to date is MIMSpell (2024) at $65M.

Prior Other Before HackDao

The nearest other incident before HackDao was Saddle Finance, 24 days earlier on April 30, 2022 ($10 lost). The same exploit class surfaced again within the other attack surface.

HackDao Vulnerability Signature

The primary source categorises the HackDao exploit specifically as “Skim token balance”. This narrower label is entity-specific: it reflects how the HackDao contract failed, rather than the broad other pattern alone.

Impact & Recovery for HackDao

HackDao Loss Figure

The loss figure for HackDao 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 188 other incidents in our archive is $2.03M.

Timeline Since the HackDao Incident

The HackDao exploit occurred 3.9 years ago (1,421 days). The contract, its fork-block, and the attack transaction remain on-chain and forensically reproducible.

Primary Reference for HackDao

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

FAQ

How much did HackDao lose?

The HackDao 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 HackDao hack happen?

The HackDao exploit was recorded on May 24, 2022 — 1,421 days ago.

What type of exploit hit HackDao?

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

How common is the Other pattern seen at HackDao?

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

How does HackDao compare to the largest Other attack?

The largest other incident in our archive is MIMSpell (2024) at $65M. The HackDao loss was not publicly disclosed.

What financial instrument is the focus of the study?

Green bonds.

What is SALRS designed for in cryptocurrency transactions?

To conceal the identities of both the payer and payee, ensuring privacy.