On May 2021, RariCapital suffered a reentrancy — the first of 51 documented reentrancy incidents in our archive where the loss figure was not publicly disclosed but the exploit pattern is documented below.
Attack Mechanics: How the RariCapital Reentrancy Played Out
Exploit Class Applied to RariCapital
The RariCapital incident on May 9, 2021 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, RariCapital is 1 of 51 documented reentrancy incidents.
RariCapital in Context
The RariCapital incident joins a class whose largest loss to date is Curve (2023) at $41M.
Prior Reentrancy Before RariCapital
The nearest reentrancy incident before RariCapital was Value Defi, 1 day earlier on May 8, 2021. The same exploit class surfaced again within the reentrancy attack surface.
RariCapital Vulnerability Signature
The primary source categorises the RariCapital exploit specifically as “Cross Contract Reentrancy”. This narrower label is entity-specific: it reflects how the RariCapital contract failed, rather than the broad reentrancy pattern alone.
Impact & Recovery for RariCapital
RariCapital Loss Figure
The loss figure for RariCapital 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 51 reentrancy incidents in our archive is $2.87M.
Timeline Since the RariCapital Incident
The RariCapital exploit occurred 4.9 years ago (1,801 days). The contract, its fork-block, and the attack transaction remain on-chain and forensically reproducible.
Primary Reference for RariCapital
Public post-mortem / on-chain analysis for the RariCapital incident: view source.
FAQ
How much did RariCapital lose?
The RariCapital 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 RariCapital hack happen?
The RariCapital exploit was recorded on May 9, 2021 — 1,801 days ago.
What type of exploit hit RariCapital?
The RariCapital 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 RariCapital?
Our archive contains 51 documented reentrancy incidents. The RariCapital incident is one of them.
How does RariCapital compare to the largest Reentrancy attack?
The largest reentrancy incident in our archive is Curve (2023) at $41M. The RariCapital loss was not publicly disclosed.
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