Crypto Whale Sues Coinbase Over $55M Stolen DAI

An anonymous crypto whale identified as “D.B.” filed a lawsuit on Monday against Coinbase and an alleged thief, alleging the exchange improperly refused to return frozen funds tied to a 2024 crypto theft worth approximately $55 million in DAI, according to the lawsuit filing reviewed by The Block.

Theft Details and Timeline

The plaintiff fell victim to a phishing scam on August 20, 2024, after logging into a fraudulent page that gave the attacker access to his wallet. The thief drained D.B.'s DAI holdings using “Inferno Drainer,” a platform designed to facilitate crypto theft. A portion of the stolen funds was later traced to a Coinbase retail user account, according to the filing, which cited blockchain security firm Zero Shadow. The exact amount of funds stored in the Coinbase account was not disclosed in the filing.

Coinbase’s Response and Legal Dispute

Coinbase froze the assets after D.B. notified the exchange of the theft. However, the company declined to release the funds back to the plaintiff without a court order adjudicating ownership.

“While Coinbase acted reasonably in freezing the stolen cryptocurrency, its refusal to return the frozen funds to Plaintiff became unreasonable when Plaintiff provided sworn proof that he is the rightful owner and Coinbase refused to act,” attorneys for D.B. stated in the filing.

Plaintiff’s Legal Position

D.B. is seeking a court order requiring Coinbase to return the “traceable” stolen funds. “Plaintiff contends that he is the rightful owner of the identified frozen cryptocurrency traceable to the theft and that he is entitled to immediate possession of that property,” said the lawyers representing D.B.

Broader Context on Crypto Fraud

Crypto-related fraud has been on the rise, with losses hitting a record $11.3 billion in 2025, accounting for more than half of the $20.9 billion in total internet crime losses tracked by the FBI, according to a report released last month.

The Block reached out to Coinbase for comment on the lawsuit.

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Comment
0/400
CoconutWaterChillSquadvip
· 1h ago
Waiting for a court ruling; this case will be cited countless times in the future.
View OriginalReply0
BudgetValidatorvip
· 1h ago
D.B. this code name is a bit mysterious, an anonymous whale is suing, the plot is getting intense.
View OriginalReply0
HexiHoodievip
· 1h ago
I feel like this kind of case will drag on for a long time, and in the end, it might be settled out of court. It's hard to say how much the user can get back.
View OriginalReply0
午休看TVLvip
· 1h ago
The key is the follow-up to the 2024 theft—how much responsibility should Coinbase, as an intermediary, actually bear?
View OriginalReply0
ForgotEverythingAfterMintingvip
· 1h ago
55M DAI is not a small amount; balancing exchange risk control and user rights is indeed difficult.
View OriginalReply0
AirdropCartographervip
· 1h ago
Coinbase's recent actions are a bit confusing; they froze funds and haven't returned them, so users can only pursue legal channels.
View OriginalReply0