On November 2023, RBalancer suffered a business logic flaw — the first of 144 documented business logic flaw incidents in our archive where the loss figure was not publicly disclosed but the exploit pattern is documented below.
Attack Mechanics: How the RBalancer Business Logic Flaw Played Out
Exploit Class Applied to RBalancer
The RBalancer incident on November 7, 2023 is classified as a Business Logic Flaw. A business-logic bug in the contract — such as an incorrect formula or missing state update — lets the attacker withdraw more than their share. In the full archive, RBalancer is 1 of 144 documented business logic flaw incidents.
RBalancer in Context
The RBalancer incident joins a class whose largest loss to date is – EulerFinance (2023) at $200M.
Prior Business Logic Flaw Before RBalancer
The nearest business logic flaw incident before RBalancer was SwampFinance, 6 days earlier on November 1, 2023. The same exploit class surfaced again within the business logic flaw attack surface.
Impact & Recovery for RBalancer
RBalancer Loss Figure
The loss figure for RBalancer 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 144 business logic flaw incidents in our archive is $6.08M.
Timeline Since the RBalancer Incident
The RBalancer exploit occurred 2.4 years ago (889 days). The contract, its fork-block, and the attack transaction remain on-chain and forensically reproducible.
Primary Reference for RBalancer
Public post-mortem / on-chain analysis for the RBalancer incident: view source.
FAQ
How much did RBalancer lose?
The RBalancer 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 RBalancer hack happen?
The RBalancer exploit was recorded on November 7, 2023 — 889 days ago.
What type of exploit hit RBalancer?
The RBalancer incident is classified as a Business Logic Flaw. A business-logic bug in the contract — such as an incorrect formula or missing state update — lets the attacker withdraw more than their share.
How common is the Business Logic Flaw pattern seen at RBalancer?
Our archive contains 144 documented business logic flaw incidents. The RBalancer incident is one of them.
How does RBalancer compare to the largest Business Logic Flaw attack?
The largest business logic flaw incident in our archive is – EulerFinance (2023) at $200M. The RBalancer loss was not publicly disclosed.
What recommendation does the study provide for improving ESG practices in companies?
The study recommends improving information disclosure and providing policy support for sustainable practices.
What has sparked a revolutionary shift in the financial sector according to the study?
The advent of cryptocurrencies and blockchain technology.