Many investors who did not know how to hedge their cryptocurrency investments saw these investments lose value from the market highs of 2017.
source https://www.google.com/url?rct=j&sa=t&url=https://cointelegraph.com/news/how-crypto-is-taxed-in-the-us-a-taxpayers-dilemma&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNFDt-_KGK2uBL98Gf7NrxMPaTC-KQ