Crypto Tax Blog
Practical guides, legal updates and strategies to correctly report your cryptocurrencies in Spain.
Uniswap in Spain: how to declare swaps and liquidity provision on the largest DEX
Uniswap is the largest DEX by volume. Complete tax guide for Spanish users: swaps, LPs, UNI rewards.
Decentralized Exchanges (DEX) vs. centralized (CEX): tax implications
Trading on DEX or CEX has different tax implications. DEXs do not report to the Treasury but your operations are still reportable. Discover the differences and how to keep track.
Liquidity pools in DeFi: taxation in Spain explained
Providing liquidity on Uniswap, Curve or Balancer incurs fees and impermanent losses. Discover how liquidity pools are taxed in Spanish personal income tax and how to calculate your tax result.
Uniswap v3 and concentrated liquidity: advanced taxation in Spain
Uniswap v3 introduced concentrated liquidity positions, represented as NFTs. Tax treatment of fees in real time, impermanent loss and closing of LP positions.
Uniswap v4 Hooks: taxation of custom pools in Spain
Uniswap v4 introduces Hooks: code snippets that anyone can add to create pools with custom behaviors (dynamic fees, limit orders, integrated yield). New tax scenarios for LPs.
Liquidity mining: taxation of DeFi liquidity rewards
How liquidity providers in Uniswap, Curve, Balancer, and other DeFi protocols report in Spain. Trading fees, reward tokens, and IL.
Liquidity provision on Uniswap and Curve: taxes in Spain 2025
If you provide liquidity on Uniswap, Curve or similar, this article explains the tax treatment in Spain.


