Spain's tax authority casts net wide for cryptocurrency holders

Spain's tax authority, the Agencia Tributaria (AEAT), is ramping up efforts to track down cryptocurrency holders and ensure compliance with tax laws. The agency's 2026 Annual Tax Control and Customs Plan highlights digital assets and the real estate sector as key areas of focus for this fiscal year.

_Declaration mandatory for crypto holdings in spain

As of April 8, when the 2025 tax filing season begins, taxpayers in Spain will be required to declare their cryptocurrency holdings. The tax authority will not only cross-check data from the Modelo 721 form, which mandates reporting of foreign accounts with balances exceeding €50,000, but also monitor transactions linked to exchanges.

This means the