A Chinese 'Bitcoin queen' today pleaded guilty to laundering cryptocurrency from a £5billion investment fraud with the help of her takeaway worker assistant. Between 2014 and 2017, Qian orchestrated a large-scale fraud in China that stole from 128,000 victims before moving their funds into Bitcoin. Qian emerged for relative obscurity to run a Chinese company called Tianjin Lantian Gerui Electronic Technology, launched in March 2014. Qian's assistant Jian Wen (pictured) was convicted of money launderingWen was living in a basement room under a Chinese takeaway in Abbey Wood, south-east London. Commenting today, Detective Sargent Isabella Grotto, who led the Met's investigation, said: 'Today marks the result of years of painstaking work.