Crypto Tax Blog

The definitive guide to crypto taxation for Spanish investors. Personal income tax, FIFO, information models, planning, errors and everything you need to declare correctly.

Step-by-step guide to accessing the Spanish Tax Agency's Electronic Office and correctly declaring your cryptocurrencies. Learn which certificates you need, how the Cl@ve PIN works, and how to fill out the IRPF draft with your crypto transactions.

The accrual principle determines the fiscal year in which cryptocurrency gains and losses must be declared. Learn when a sale, staking reward, airdrop, or DeFi operation is accrued, and the consequences of reporting it in the wrong fiscal year.

Complete guide to filing your income tax return in Spain if you have cryptocurrencies. Which boxes to fill in, what documents you need, and how to avoid errors.

Centralized vs decentralized exchanges: are there tax differences? Reporting to the AEAT, custody, and how it affects your tax return.

Do you need to declare your cryptocurrencies abroad using Form 720? Analysis of the current legal status following the CJEU ruling and the 2025 updates.

The 10 most frequent mistakes crypto investors make when filing their tax return in Spain and how to avoid them.

The most common errors Spanish crypto investors make in their declarations.

The definitive verification list to not miss anything in your Spain crypto declaration 2025.

If you declared crypto incorrectly in previous years, you can correct it.

If it's your first time declaring crypto in Spain, this guide explains exactly what you need to do, step by step.

Quick start guide to begin with kointax at no cost.