On July 26, 2019, the IRS announced that it was in the process of sending letters to over 10,000 taxpayers with a history of cryptocurrency transactions ...
source https://www.google.com/url?rct=j&sa=t&url=https://www.natlawreview.com/article/tax-man-cometh-irs-issues-sends-letters-to-over-10000-taxpayers-cryptocurrency&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNGk_gsLgfTK6gs2M1LWISm3GMa8RQ