dYdX lost $9 million in a "targeted attack"

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On November 17, about $9 million from the insurance fund of the dYdX decentralized derivatives exchange was used to cover liquidations of user positions in the Yearn Finance token (YFI) market.

Last night about $9m from the dYdX v3 insurance fund were used to fill gaps on liquidations processed in the YFI market. The v3 insurance fund remains well funded with $13.5m in funds remaining

No user funds were affected and our team is working to investigate the event
— dYdX (@dYdX) November 18, 2023

The team assured that the fund with a balance of $13.5 million "is still well funded", user funds were not affected, and the incident is being investigated.

According to dYdX founder and CEO Antonio Giuliano, the losses resulted from a "targeted attack" on the exchange, which included " manipulation of the entire YFI market."

This was pretty clearly a targeted attack against dYdX, including market manipulation of the entire $YFI market

We are investigating alongside several partners and will be transparent with what we discover
— Antonio | dYdX (@AntonioMJuliano) November 18, 2023

"We are conducting an investigation together with several partners and will be frank about what we find," he added.

Arkham Intelligence experts noted that the YFI price drop of about 40% that occurred the day before led to the liquidation of positions on dYdX in the amount of $50 million.

YFI’s price collapsed by almost 40% last night.

As this occurred, $50M of YFI Open Interest on dYdX was wiped out. Before that, dYdX made up almost half of the total open interest on YFI. pic.twitter.com/qZBDOeELGX
— Arkham (@ArkhamIntel) November 18, 2023

Experts noted that YFI is usually very rarely traded on dYdX, but a sharp jump in prices over the past few days has led to open interest peaking at $60 million. The value was half of the total value for the asset.

Giuliano confirmed this information in a message. According to him, the attack was carried out by "well-capitalized entities" in order to siphon funds from the insurance fund. Two weeks ago, a similar attempt was made to manipulate the SUSHI market, this time they managed to withdraw a significant amount in USDC before the price collapse, the head of the exchange said.

Here are the main points we know about the $YFI incident on dYdX so far:

Reminder no user funds have been lost, but it is critical we understand what happened and adjust accordingly

— in the part few days $YFI open interest on dYdX spiked from $0.8m -> $67m
— basically all of…
— Antonio | dYdX (@AntonioMJuliano) November 18, 2023

As a measure against potential incidents in the future, the dYdX team has increased the initial margin requirements for a number of low-liquid tokens such as EOS, RUNE, AAVE and YFI.
 
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