It's the second major funding round for the tax software firm this year.
TaxBit will aggregate transaction data and ensure that the right figures were reported by the taxpayer.
The Utah-based startup roared out of stealth mode with backing from Paradigm and Tiger Global.
PayPal Ventures, Coinbase Ventures and Winklevoss Capital invested an undisclosed amount in the firm.
Donating crypto means it won’t be taxed, say The Giving Block and TAXbit, which published a guide to facilitate such donations.
Uphold is launching a real-time tax liability dashboard with the help of TaxBit, allowing users to more easily understand and file their taxes.