A British-Chinese woman has been sentenced to more than six years in prison for her part in a bitcoin money laundering scam.

Jian Wen, 42, was found guilty at London's Southwark Crown Court on March 20.

Wen first came to the attention of authorities after she made a series of attempts to buy luxury homes in London from 2017 to 2018. The three properties were valued at $29.7 million, $15.8 million, and $5.7 million.

The subsequent investigation culminated in police seizing devices containing 61,000 bitcoins currently worth more than $4 billion in 2018, in what was the UK's largest-ever crypto seizure.

In her sentencing remarks said that more than 128,000 investors pumped roughly $5.6 billion into the scheme.

Wen was convicted of converting "significant amounts" of bitcoin into cash and other assets on her boss's behalf.

Despite declaring an income of just around $16,200 and roughly $7,600 in 2015 and 2016, Wen moved into a six-bedroom property in London in 2017, paying over $21,600 a month.

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