Maybe you have lost a lot of money trading cryptocurrency and you now want to claim these losses to save as much money on your tax bill as possible ...
source https://www.google.com/url?rct=j&sa=t&url=https://blog.shrimpy.io/blog/tax-reporting-for-high-volume-cryptocurrency-traders&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNE3551u3pl_-h0HlZpZHnfKp0-YRg
