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Crypto is failing where digital yuan may succeed

In terms of technology, it shows that even the most decentralized service can’t avoid law enforcement.

August 12, 2022 / 07:24 IST
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Photographer: Valeria Mongelli/Bloomberg
Photographer: Valeria Mongelli/Bloomberg

Does an industrial-sized dog whistle go off when advocates boast about cryptocurrency’s ability to evade US government sanctions?

Back in March, a founder of Tornado Cash — a so-called “mixer” service that masks cryptocurrency transactions by mixing them with others — told Bloomberg it would be “technically impossible” for sanctions to be enforced against decentralized protocols. Surprise: Tornado has now been sanctioned by the US Treasury’s Office of Foreign Assets Control, partly because of its use by hackers said to be linked to North Korean money laundering.

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With Tornado down 95% from its all-time high and its source code removed from Microsoft Corp.’s GitHub, it’s the latest blow to the “no sanctions yay” theory of crypto — the three words used by former Ethereum Foundation scientist Virgil Griffith in 2019 when he told a blockchain conference in North Korea how to dodge sanctions by converting cash into crypto, costly advice that resulted in a guilty plea and a 63-month federal prison sentence.

In terms of  technology, it shows that even the most decentralized service can’t avoid law enforcement. Exchanges are under pressure to monitor links to regular currencies, as are other service providers, and pseudonymous blockchains can be pored over for suspicious transactions — such as the gains of North Korean cybercriminals that transited through Tornado. As Bloomberg’s Emily Nicolle notes, the crypto industry hasn’t been able to build all its infrastructure yet.