Crypto Tax Blog
Practical guides, legal updates and strategies to correctly report your cryptocurrencies in Spain.
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.
Token wrapping (wBTC, wETH): taxation in Spain
Is wrapping Bitcoin to wBTC or ETH to wETH a taxable event? Analysis of the tax treatment of token wrapping and unwrapping in Spain.
Yield farming: taxation in Spain and how to declare it
Yield farming generates compound returns in DeFi. Discover how you are taxed in the Spanish personal income tax, what income from movable capital is in this context and how to keep track of it.
1inch Network and DEX aggregators: taxation of each operation in Spain
DEX aggregators like 1inch route your swaps through multiple DEXes to get the best price. Each action generates multiple tax steps that must be properly recorded.
Aave v3: efficiency mode, isolation mode and advanced collateral in Spain
Aave v3 introduces new functionalities such as eMode (efficiency mode) and isolation mode that allow greater leverage or restrictions on the use of collateral. How these new modalities affect fiscally.
Binance Smart Chain (BNB Chain): DeFi and taxation in Spain
BNB Chain hosts a massive DeFi ecosystem with PancakeSwap, Venus, and more. Discover how operations on BNB Chain, BNB staking and DeFi protocols are taxed according to Spanish regulations.
Compound Finance and COMP: DeFi loans without KYC and taxation in Spain
Compound is one of the oldest DeFi lending protocols. How interest in cTokens, the implicit accumulation of APY and rewards in COMP are taxed according to Spanish regulations.
Cross-chain bridges: tax treatment of blockchain bridges
Bridges allow assets to be moved between blockchains. How the Treasury treats bridges, the risks of bridge hacks and what documentation you need to maintain.
Curve Wars, veCRV and Convex Finance: Taxation of DeFi Liquidity Wars
Curve Finance's veCRV mechanism created a complex ecosystem (Convex, Votium, Aladdin) with multiple tax layers. Each reward, boost and bribe has its specific tax treatment in Spain.
Combined Liquid Staking + DeFi strategies: taxation of loops in Spain
Advanced investors combine liquid staking (stETH, rETH) with DeFi lending and liquidity pools in yield maximization loops. Each layer adds taxable events. How to record and declare this complexity.
Ethena (USDe) and sUSDe: the synthetic stablecoin and its taxation in Spain
Ethena offers a stablecoin backed by delta-hedging of ETH and BTC, with a sustainable yield via funding rates. Staking USDe in sUSDe generates returns with specific tax implications.
Frax Finance: partially collateralized stablecoin and taxation in Spain
Frax is a partially algorithmic stablecoin backed by collateral (USDC) and FXS emissions. With frxETH, sfrxETH and veFXS, the Frax ecosystem creates multiple tax layers for the Spanish investor.