Southwark Royal Court in London completed all stages of the trial of Jian Wen, accused of investment fraud and laundering 150 BTC (about $10 million), and sentenced the woman to six years in prison.

Jian Wen, who previously worked as a takeaway delivery driver and in the hospitality industry, came to the attention of the police while trying to buy expensive properties in London. These include a seven-bedroom mansion with a swimming pool worth £23.5 million (more than $30 million), as well as a house with a cinema and gym worth £12.5 million (about $15 million).

The verdict at Southwark Crown Court said Ms Wen was acting as a “front man” on behalf of her Chinese custodian. Wen's detention led to the largest cryptocurrency seizure in UK history, with more than 61,000 BTC found in digital wallets under her control.

The court linked the origin of the funds to a fraudulent crypto-investment scheme by the Chinese technology company Tianjin Lantian Gerui Electronic and its alleged director Zhimin Qian. According to court documents, more than 130,000 Chinese investors may have become victims of Qian's financial scam between 2014 and 2017.