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Crypto Mixers Appear in Crosshairs of UK's National Crime Agency

Tue, 03/15/2022 - 09:39
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Alex Dovbnya
The UK's National Crime Agency wants to regulate cryptocurrency mining services, which allow bad actors to cover their tracks
Crypto Mixers Appear in Crosshairs of UK's National Crime Agency
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The National Crime Agency of the United Kingdom has issued a warning about cryptocurrency mixing services, which it claims are used to launder ill-gotten funds.

The NCA claims that it wants to make operators of crypto mixers comply with the law.

Bitcoin is not fully anonymous since all transactions can be easily tracked with the help of a mixing service. This privacy flaw can be fixed with the help of decentralized mixers, such as Wasabi, that are based on the CoinJoin protocol. The goal of such services is to obfuscate the origin of the funds. Even though they cannot make crypto completely untraceable, they significantly complicate the task of tracking down blockchain transactions.

Mixers are often deployed by criminals in order to launder crypto. For instance, more than half of the Bitcoin that was obtained during the biggest Twitter hack in July 2020 was processed via mixing services.

In 2021, 15% of all criminally tainted crypto was processed through cryptocurrencies, which highlights the sheer scope of the problem.

Bitcoin mixers remain legal in the majority of jurisdictions around the globe.

Last May, U.S. authorities arrested Roman Sterlingov, the operator of a popular tumbling service called "Bitcoin Fog." The service helped to launder roughly $335 million from popular darknet marketplaces.

In December, Larry Deen Harmon, the operator of Bitcoin mixing service Helix, pleaded guilty to laundering $300 million.

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Are mixers no longer for criminals?

As law enforcement agencies are growing increasingly concerned with mixing services, CoinJoin has now taken a more proactive approach to tackling illicit activity.

It was recently announced that the ZkSNACKs coordinator would reject certain unspent transaction outputs (UTXOs). The move sparked criticism among privacy advocates.

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About the author

Alex Dovbnya (aka AlexMorris) is a cryptocurrency expert, trader and journalist with extensive experience of covering everything related to the burgeoning industry — from price analysis to Blockchain disruption. Alex authored more than 1,000 stories for U.Today, CryptoComes and other fintech media outlets. He’s particularly interested in regulatory trends around the globe that are shaping the future of digital assets, can be contacted at