How the DGT's position has evolved
Current position
Cryptocurrencies are intangible movable assets whose sales generate capital gains or losses in the savings tax base, calculated independently for each type of asset using the FIFO method. Income from staking, DeFi, or loans is classified as income from movable capital through the transfer of own funds. The theft of crypto-assets is integrated into the general tax base as a capital loss, provided the loss is proven. Crypto-assets form part of the net wealth for Wealth Tax, valued at market price.
The DGT's position remains constant in classifying crypto-assets as intangible assets and their treatment in the savings tax base. The doctrine has progressively specified certain aspects, such as the application of the FIFO method for partial sales, the integration of losses due to theft into the general tax base, and the obligation to report using Form 721 based on the value of balances at the close of the fiscal year.
Turning points
-
Specifies that buying, selling, and exchanging generates capital gains or losses calculated separately for each type of cryptocurrency.
-
Establishes that the theft of crypto-assets constitutes a capital loss integrable into the general tax base, conditioned on the proof of the loss.
-
Defines the application of the FIFO method for calculating partial sales of the same type of cryptocurrency.
Analysis based on 10 of 10 rulings with a stated position. Updated 28 September 2026.