how to declare them and in which cases you must do so in the 2026 declaration

Let’s explain to you how to declare your cryptocurrencies in your Income 2025, which is the declaration we make in 2026 to account for the last fiscal year. You can now request and submit your draft online and from the mobilebut first it is advisable to pay attention to this.

Let’s start this explanation by telling you in which cases you should declare your cryptocurrenciesso that you take into account if you have to do it. And then we will tell you the way in which you should enter them in the Income Tax return and the particularities of how they are declared.

When should you declare your cryptocurrencies

What you have to declare is everything you have won or lost in 2025 with the sale and exchange of cryptocurrencies. You must also declare when you exchange a cryptocurrency for a good or service, come on, when you have used them to pay for something. They are taxed like sharessuch as capital gains or losses.

You have to declare all transactions, whether they generate profits or losses, regardless of the amount. This applies whether you mine cryptocurrencies or trade to buy and sell them. This is so because They are considered a part of your heritage and your income, and this makes them equivalent to when you earn money doing a job or selling stocks.

It is important to make sure you declare everything, because You can have fines of up to 20,000 euros. If you do not declare movements, you will be fined around 20 euros for each undeclared data up to that figure. And if you declare incorrect data or data is omitted, the fine is 150 euros, although with the possibility of increasing to 0.5% or 1.5% of the amount of the operation.

Losses or profits are calculated by the difference between the transfer value or the value at which you sold them and the acquisition value. You must also declare airdrops, which are those cryptocurrencies that a website can give you. exchange in exchange for registering or doing some operations in them.

Besides, mining is also declaredand since it requires material or personal means to carry it out, it is an economic activity. Come on, you must register as a professional or businessman, and then declare the profits or losses by subtracting operating expenses such as electricity, equipment and so on, and the rewards or benefits obtained.

How to declare cryptocurrencies

Cryptocurrencies are declared in a specific section. You will have to use boxes 1,800 and 1,814, which detail the movements and operations carried out that are related to cryptocurrencies.

When declaring the movements, you will have to write the name of the cryptocurrency, the key or what you have done with this asset, the value of the acquisition and the value of the transaction. And so with each of the movements you have made.

For balances or holdings of cryptocurrencies abroad above 50,000 eurosyou will also have to fill out form 721. In addition, if the crypto balance abroad grows by more than €20,000 compared to the previous declaration, you must submit it again.

Profits obtained are taxed in different ways depending on how much they amount to. They are taxed on the savings tax base, and these are their tax rates:

• Personal income tax of 19% for benefits of up to 6,000 euros.
• Personal income tax of 21% for benefits between 6,001 and 50,000 euros.
• Personal income tax of 23% for benefits between 50,001 and 200,000 euros.
• Personal income tax of 27% for benefits between 200,001 and 300,000 euros.
• Personal income tax of 30%: for benefits of more than 300,001 euros.

Another thing to keep in mind is staking. If rewards are received for transferring the coins to a platform, it is considered a return on movable capital, which is taxed on the savings basis at a rate of between 19 and 30%. Meanwhile, if it is done as an economic activity, it is taxed on the general basis at rates that can range between 19% and 47%. Rewards obtained by staking are valued in euros at the time of receipt.

You should also know that the Treasury uses the FIFO (First In, First Out) method. This means that the first cryptocurrencies you bought will also be considered the first to be sold. Additionally, if you suffer losses from cryptocurrencies you can offset them with other capital gains from the same return.

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