Is it subject to the self-employment tax?
If a taxpayer’s “mining” of virtual currency constitutes a trade or business, and the “mining” activity is not undertaken by the taxpayer as an employee, the net earnings from self-employment (generally, gross income derived from carrying on a trade or business less allowable deductions) resulting from those activities constitute self-employment income and are subject to the self-employment tax. See Chapter 10 of Publication 334, Tax Guide for Small Business, for more information on self-employment tax and Publication 535, Business Expenses, for more information on determining whether expenses are from a business activity carried on to make a profit.