U.S. imposes sanctions on ‘crypto mixer’ Tornado Cash over alleged laundering

Tornado Cash is alleged to have laundered more than US$7 billion Author of the article: Financial Times Scott Chipolina in London and James Politi in Washington U.S. watchdogs are cracking down on sanctions evasion using cryptocurrencies. Photo by Dado Ruvic/Reuters illustration The United States has imposed sanctions on a crypto “mixing service” that it alleges…
U.S. imposes sanctions on ‘crypto mixer’ Tornado Cash over alleged laundering

Tornado Cash is alleged to have laundered more than US$7 billion

Author of the article:

Financial Times

Scott Chipolina in London and James Politi in Washington

U.S. watchdogs are cracking down on sanctions evasion using cryptocurrencies. Photo by Dado Ruvic/Reuters illustration

The United States has imposed sanctions on a crypto “mixing service” that it alleges laundered more than US$7 billion over the past three years and helped North Korean state hackers evade U.S. penalties.

The Treasury department said on Monday that Tornado Cash was regularly used by malicious cyber actors since it was founded in 2019.

The total allegedly laundered includes US$455 million taken by state-sponsored North Korean hackers Lazarus Group in March, as well as US$96 million from June’s hack of Harmony Horizon Bridge.

The designation, by the Office of Foreign Assets Control (OFAC), marks the latest attempt by U.S. watchdogs to crack down on sanctions evasion using cryptocurrencies.

Authorities are paying close attention to so-called mixers because they obscure the trail of transfers that would typically be publicly accessible on the digital ledgers that underlie cryptocurrencies.

In May, OFAC imposed sanctions on Blender.io, another crypto mixing service, for its role in assisting Lazarus to launder over US$20 million in “illicit proceeds.”

Tornado Cash was also used in moving at least another US$7.8 million from last week’s hack of the Nomad exchange, OFAC said. Lazarus was sanctioned in the U.S. in 2019.

“This action demonstrates that the U.S. is dead serious about countering North Korea’s illicit crypto activity and will target actors in the crypto space that facilitate North Korean sanctions evasion,” said David Carlisle, vice-president of regulatory affairs at blockchain analysis company Elliptic.

This action demonstrates that the U.S. is dead serious about countering North Korea’s illicit crypto activity

David Carlisle

“Despite criminals’ efforts to obfuscate their activity, the U.S. has managed to blacklist one of the most prolific facilitators of cybercrime out there, dealing a major blow to criminals trying to cash out their funds,” he added.

Tornado Cash did not immediately respond to a request for comment.

Earlier this year, Tornado Cash said on Twitter that it used a tool from blockchain analytics business Chainalysis in order to block OFAC-sanctioned addresses from accessing the platform.

A senior Treasury official said on Monday that the designation sent a broader signal about the dangers involved in businesses such as Tornado Cash.

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“We do believe that this action will send a really critical message to the private sector about the risks associated with mixers writ large,” the Treasury official said, adding that it was “designed to inhibit Tornado Cash or any sort of reconstituted versions of it to continue to operate.”

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“Today’s action is the second action by Treasury against a mixer, but it will not be our last,” the official said.

However, U.S. officials declined to say where they believed Tornado Cash was based or whether its operations were associated with any foreign governments.

The designation also comes in the wake of an executive order signed by President Joe Biden earlier this year that ramped up the U.S. government’s ability to crack down on the use of digital assets in illicit finance.

In February, the Treasury published a national money laundering risk assessment that described the use of “anonymity-enhancement technologies” such as mixers as a “growing trend.”

© 2022 The Financial Times Ltd

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