The users of Cash app are required here to File a Copt of Form 1099-B IRS for the applicable tax of a year. This is a law that is organized by Sqaure Inc. as per security measure. You can also see here the net cash which is proceeded for the BitCoin sales. It helps to conclude profit and loss over a year. To acquire more information, please use the Cash app phone number. https://www.pcmonks.net/blog/transfer-money-from-apple-pay-to-cash-app/