shield Price Manipulation · $50.5K loss

Circle Hack: How $50.5K Was Lost in a Price Manipulation (2022)

On August 2022, Circle was exploited in a price manipulation, resulting in approximately $50.5K in losses. That makes the Circle exploit the 268th largest DeFi incident out of 690 documented in our archive.

Attack Mechanics: How the Circle Price Manipulation Played Out

Exploit Class Applied to Circle

The Circle incident on August 13, 2022 is classified as a Price Manipulation. The attacker drives the on-chain price of a token up or down within a single transaction to extract value from the protocol. In the full archive, Circle is 1 of 85 documented price manipulation incidents.

Circle in Context

At $50.5K, the Circle exploit is a minor (<$1M) event compared to the largest same-class incident in our archive — CreamFinance (2021) at $130M.

Prior Price Manipulation Before Circle

The nearest price manipulation incident before Circle was EGD Finance, 6 days earlier on August 7, 2022 ($36K lost). The same exploit class surfaced again within the price manipulation attack surface.

Impact & Recovery for Circle

Circle Loss Figure

The Circle exploit caused $50,500 in losses — a minor (<$1M) incident and the 34th largest of 129 documented in 2022.

Where Circle Sits Among Price Manipulation Attacks

Ranked by loss size, Circle is the 41st largest of 85 price manipulation incidents documented. That puts the Circle loss below the class average of $3.9M.

Timeline Since the Circle Incident

The Circle exploit occurred 3.7 years ago (1,340 days). The contract, its fork-block, and the attack transaction remain on-chain and forensically reproducible.

Primary Reference for Circle

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

FAQ

How much did Circle lose?

The Circle exploit in August 2022 resulted in $50,500 in losses — the 34th largest of 129 DeFi incidents that year.

When did the Circle hack happen?

The Circle exploit was recorded on August 13, 2022 — 1,340 days ago.

What type of exploit hit Circle?

The Circle incident is classified as a Price Manipulation. The attacker drives the on-chain price of a token up or down within a single transaction to extract value from the protocol.

How common is the Price Manipulation pattern seen at Circle?

Our archive contains 85 documented price manipulation incidents. The Circle incident is one of them.

How does Circle compare to the largest Price Manipulation attack?

The largest price manipulation incident in our archive is CreamFinance (2021) at $130M. The Circle loss is $50.5K.

What is the impact of transaction fees on the profit generated by the trading algorithm mentioned in the paper?

Transaction fees reduced the overall average profit, highlighting the importance of considering fees in trading strategies.

What conclusion is drawn about CSR promotion in China?

CSR promotion has led to increased female board membership and interest from foreign institutional investors.