Will Coinbase Report My Bitcoin Gains to the IRS?

Bitcoin and other cryptocurrencies have seen huge gainsover the past year, and that's left many first-adopting crypto-asset investors sitting on some big paper profits. Recently, the IRS has made it clear that it expects its tax revenuefrom sales of bitcoin and other high-flying digital currencies, and the tax service is working hard with other players in the cryptocurrency space to make sure that it can enforce investors' tax obligations.