The IRS sent "educational letters" to 10000 people who "potentially failed to report income and pay the resulting tax from virtual currency transactions.
source https://www.google.com/url?rct=j&sa=t&url=https://forums.tomshardware.com/threads/irs-warns-cryptocurrency-owners-about-possible-tax-violations.3505540/post-21182943&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNFxTfwXevWHl2C863l7-uBPu_dPxw