For all the past cryptocurrency trades you have to report them in tax filling and that you can do with TurboTax using these steps: • First, you need to calculate capital gains from any third party software or using TurboTax. • In the ‘take to my return’ option, you can choose ‘federal’ followed by ‘show more’>’ start’>’ revisit.’ • Now by following simple screen instructions, you can complete the process. • Then you can file the tax by choosing plans for cryptocurrency tax filling. • Once you choose a plan, you have to provide some details about you. • Click on ‘I sold or traded cryptocurrency’ and then go to cryptocurrency section. • Choose a cryptocurrency platform upload tax calculation file and complete the process. If you need to have expert support, then you can call at turbotax customer care number and get complete assistance.