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Spain Slaps DeFi Investor With $10.5M Tax Bill For Crypto Loan

By ToTo BugelmanNewcomer0 rep· 8/20/2025

Spain has reportedly levied a substantial 9 million euro ($10.5 million) tax bill on a decentralized finance (DeFi) investor for taking out a crypto-backed loan. The investor claims all cryptocurrency operations were declared and taxes paid, with no profit realized from the loan itself. This move has sparked debate about the interpretation of tax laws in the burgeoning DeFi space.

 

Key Takeaways

  • A Spanish DeFi investor faces a $10.5 million tax bill for a crypto-backed loan.

  • The investor argues no profit was realized, as assets were not sold.

  • Critics contend the tax agency's interpretation lacks legal basis.

 

The Tax Controversy

According to a Spanish media report, the investor was issued an additional tax bill three years after declaring all crypto operations and paying $5.84 million in taxes. The new assessment is not for undeclared profits but for the act of depositing assets into a DeFi protocol to secure a loan. The assets remained with the investor, and no sale occurred, meaning no profit was technically realized.

A tax advisor quoted in the report stated that the Spanish tax agency, Agencia Estatal de Administración Tributaria (AEAT), has taxed an action that does not constitute income from an economic or legal standpoint. The advisor further criticized the AEAT's classification of asset movement within DeFi protocols as realized gains, deeming it an interpretation without a foundation in Spanish or European legislation.

 

Spain's Crypto Tax Enforcement Landscape

The AEAT has been actively warning crypto holders about their tax obligations. In 2023, the agency sent out 328,000 notices for the 2022 fiscal year, followed by 620,000 similar notices a year later. Spanish regulations also mandate that local crypto users declare their foreign crypto holdings. Reports from June indicate that the AEAT has the authority to access and seize crypto assets if tax obligations are not met.

Critics argue that Spanish citizens may lack adequate recourse when the tax agency makes errors. The primary avenue for appealing tax disputes in Spain is the Tribunal Económico-Administrativo Central (TEAC). However, the European Court of Justice (ECJ) previously ruled that the TEAC does not qualify as an independent "court or tribunal" under EU law, as its officials are appointed by and dependent on the same Ministry of Finance whose decisions they review.

 

Sources

 

This article was created with support from AI-driven technology, drawing on multiple reputable sources. The final content has been thoroughly reviewed and edited by BlockzHub's editorial team to ensure accuracy, clarity, and coherence. Original reporting sources are credited whenever appropriate and as required. The opinions expressed in this article do not necessarily represent the official views or positions of BlockzHub. This article is intended for informational purposes only and should not be considered financial or professional advice. Investing involves risk, and you should consult a qualified financial advisor before making any investment decisions.

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Spain Slaps DeFi Investor With $10.5M Tax Bill For Crypto Loan | BlockzHub