
The Treasury imposes three mandatory reporting forms for those who operate with cryptocurrencies. We explain what they are, how they affect you, and what you must do to comply.
The Spanish Tax Agency is strengthening its oversight of cryptocurrencies with the implementation of three mandatory reporting models affecting individuals who operate with crypto assets. This change responds to the need to adapt tax regulations to the growing use of cryptocurrencies and ensure that all transactions related to these digital assets are properly recorded and declared.
The measure demonstrates a firm step towards improving traceability and control of operations, in an environment where The crypto ecosystem is experiencing rapid expansion and more and more citizens trust this new way of managing their assets.
PREPARE YOUR WALLETThree tax models that every cryptocurrency holder should know
For those who trade cryptocurrencies, understanding the tax obligations they must comply with is crucial to avoid penalties and manage their finances transparently. With the increased tax scrutiny, the Treasury has defined three specific models that every crypto asset holder should be aware of.
First, the Model 100 corresponds to the Income Tax Return or Personal Income Tax, and is mandatory for those who have sold, exchanged, or used cryptocurrencies during the fiscal year.
Gains or losses resulting from these transactions must be declared as changes in assets that affect the savings base. This means that if you sell bitcoins and make a profit, that amount will be taxed at a progressive rate starting at 19% and going up to 28%, depending on the amount earned.
However, it's not just buying and selling that is subject to reporting; related activities include staking, where you receive rewards for holding certain cryptocurrencies; airdrops, which are free token deliveries; mining; and any payment received in cryptocurrency, which are classified as capital gains or economic activity, depending on the case.
Furthermore, the Model 714 focuses on the Wealth TaxThis is relevant for those with total assets—including crypto assets—valued at more than two million euros. Here, cryptocurrencies must be declared as intangible assets, that is, as an intangible part of assets.
Although few taxpayers exceed the established threshold, the explicit inclusion of cryptocurrencies within this model demonstrates how the Treasury seeks absolute control over large fortunes with a presence in the digital world.
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Finally, the Model 721 It is perhaps the one that has attracted the most attention, as it requires Spanish tax residents declare if they have more than 50.000 euros in cryptocurrencies abroad, even if they haven't carried out any transactions with those assets during the fiscal year. This form is a direct evolution of the old Form 720, which was used to declare assets located outside of Spain and prevent the concealment of assets.
This latest regulation closes a significant legal loophole and strengthens the government's ability to detect potential fraud stemming from digital assets held on exchanges or wallets outside the country.
In short, these three obligations form a regulatory framework that seeks not only more rigorous compliance but also better integration of cryptocurrencies into the Spanish tax system, aligning with European guidelines that require greater transparency and oversight in this area.
What does this new taxation mean for cryptocurrency users?
In 2025, the Treasury is paying more attention than ever to cryptocurrencies, and that means those who trade these digital assets must be highly organized and keep detailed records of every transaction. For example, if someone sells Ethereum for €2.000 and earns €500, they will have to pay taxes on that profit, which is considered a capital gain and is taxed according to a progressive scale.
But that's not all: income from activities such as staking or airdrops also counts as profit and must be declared, as the Treasury considers it part of the taxpayer's income.
Furthermore, platforms and exchanges are now required to share all their users' information with the Treasury, making it difficult to hide transactions and increasing the risk of sanctions.
In short, control is stricter, and transparency is key to avoiding problems with the Tax Agency.
From boom to regulation in Spain
In Spain, cryptocurrencies have ceased to be a mere fad and have become a key element of the new financial landscape. The country is positioned as one of the European leaders in the adoption of Bitcoin and other digital assets, forcing the State to keep up with clear regulations to prevent fraud and tax evasion.
The Tax Agency has intensified its oversight with new obligations and tax forms such as 100, 714, and 721. But beware, this isn't just about collecting revenue; it's also about promoting transparency and legality in a sector that is growing by leaps and bounds. These measures are also aligned with European policies against fraud and money laundering, which view cryptocurrencies as a priority area for oversight.
Thus, for any cryptocurrency user, understanding and complying with these new rules is essential, as is keeping detailed records, seeking advice when necessary, and filing the forms correctly. All of this will avoid problems and penalties and, in addition, allow you to safely take advantage of the benefits of this growing and promising industry.


