Crypto Tax Blog
Practical guides, legal updates and strategies to correctly report your cryptocurrencies in Spain.
How to calculate the cost price of your cryptocurrencies correctly
The cost price (cost basis) is the most important element to calculate your crypto profit. What it includes, what it doesn't and how to apply FIFO correctly.
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.
Complete checklist of the Spanish crypto taxpayer 2025
The definitive checklist for the Spanish crypto investor: from the registration of operations to the presentation of personal income tax and the information models. Nothing escapes you.
Avalanche (AVAX): subnetworks, staking and taxation in Spain
Avalanche is a high-performance blockchain with subnets. Discover how AVAX, staking in Avalanche and operations in its subnetworks are taxed according to Spanish regulations.
Chainlink (LINK): oracles, staking and taxation in Spain
Chainlink is the decentralized oracle network that connects blockchains with real-world data. Discover how LINK pays, its v0.2 staking and the node operator rewards.
Cryptocurrencies and marital separation: how they are distributed and taxed
Divorce with cryptocurrencies in the portfolio raises questions about how to value them, distribute them and whether the distribution generates taxes. Guide for couples with crypto assets in Spain.
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.
Declare alone or with a crypto advisor? Complete comparison for 2025
Is it worth hiring a crypto tax advisor or can you file yourself? Comparison of costs, risks and cases in which you definitely need professional help.
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.
Crypto Arbitrage: Taxation of Risk-Free Profit Strategy
Crypto arbitrage consists of taking advantage of price differences between exchanges. High trading frequency, automatic bots and small but constant profits. Everything is taxed in Spain.
Aptos and Sui: the new generation of blockchains and their taxation
Aptos and Sui are next-generation blockchains built with Move. Your delegated staking, ecosystem airdrops, and native DEXs. How your operations are taxed in Spain.
El Salvador and Bitcoin as legal currency: tax implications for Spaniards residing there
El Salvador adopted Bitcoin as legal tender in 2021. Spaniards residing in El Salvador or with economic activity there face a unique tax situation. Guide to obligations in Spain and El Salvador.