Almost every bitcoin or other “altcoin” transaction — mining, spending, trading, exchanging, air drops, etc. — will likely be a taxable event for U.S. tax purposes. CNBC: If you own Bitcoin be prepared to pay taxes. Share this:TwitterFacebook6 views February 7, 2018 BitcoincryptoCryptocurrenciescryptocurrency URL Embedding Options (Click to copy) Click to copy the embed code Close