Bitcoin trading comes with many risks, which one buyer found out the hard way by losing $900,000 on bitcoin. Emily Downes Bitcoin trading comes with many risks, which one buyer found out the hard way - likening the cryptocurrency to gambling. The anonymous trader allegedly lost $900,000 and had to borrow thousands from friends and family as a result, The Sun reports. They’re now calling for others to recognise the dangers themselves, before it’s too late.