Blog

August 17, 2026 • 12 min read

Documentos para hacer la Renta con criptomonedas (2026)

Checklist de documentos para preparar la Renta con criptomonedas: datos fiscales, DNI, borrador, vivienda, deducciones y documentación foral.

August 17, 2026 • 26 min read

Todo lo que necesitas para hacer la Renta: checklist completo de datos y documentos (incluyendo cripto)

Checklist completo de documentos y datos para hacer la declaración de la Renta: trabajo, vivienda, autónomos, deducciones y criptomonedas. Paso a paso.

August 6, 2026 • 19 min read

The best options now that Binance has stopped operating in Spain (2026)

Binance stopped operating in Spain on 1 July 2026 without a MiCA licence. What to do with your money, how to get it out step by step and where to take it.

June 8, 2026 • 10 min read

How to download your CoinEx history (2026 guide)

Step-by-step guide to exporting your CoinEx history as CSV or connecting it with a read-only API key to declare crypto in Spain.

May 28, 2026 • 11 min read

I never declared my crypto: how to get straight with the Spanish tax agency (2026)

Did you trade crypto in earlier years and never declare it? Learn why you need your full history under FIFO, how to build the tax report, file the 2025 tax return and regularise earlier years where it applies.

May 6, 2026 • 10 min read

How to declare crypto in Spain: the core guide (2026)

A complete, up-to-date guide to declaring crypto in Spain: income tax, Modelo 721, which transactions are taxable, the filing steps and the penalties. 2025 tax year.

April 30, 2026 • 8 min read

Why do I have to report every year I have been trading?

Crypto was born as a decentralised, private system. Today it has to be reported and, on top of that, earlier years have to be reconstructed. Here is why: Modelo 172, Modelo 173, DAC8 and the FIFO method.

April 23, 2026 • 4 min read

How to download your Trade Republic history (step-by-step guide 2026)

A complete guide to exporting your Trade Republic transaction history to CSV. Needed to declare crypto and shares in Spain.

April 22, 2026 • 7 min read

How to export your crypto wallet activity (complete guide 2026)

A guide to exporting the transaction history of the main hardware wallets: Ledger and Trezor. Public addresses, xPub, CSV and blockchain explorers.

April 13, 2026 • 6 min read

Received a CR3 crypto notice from the Spanish tax agency?

What a CR3 notice from the AEAT means, exactly what data the tax agency already holds about your crypto, and how to act before penalties of up to 150% apply.

April 7, 2026 • 7 min read

How to download your Coinbase and Coinbase Pro history (step-by-step guide 2026)

Complete guide to exporting your Coinbase and Coinbase Pro transaction history as CSV. Includes the two files Pro requires.

March 26, 2026 • 6 min read

How to offset crypto losses on the Renta 2025 tax return (updated 2026 guide)

If you sold crypto at a loss in 2025, you can offset it and pay less tax. Here is how loss relief works, what the limits are and how we calculate it at CryptoImpuestos.

March 26, 2026 • 4 min read

How to download your OKX history (step-by-step guide 2026)

Complete guide to exporting your OKX transaction history as CSV or by API. Required to declare crypto in Spain.

March 23, 2026 • 4 min read

How to download your Quantfury history (step-by-step guide 2026)

Complete guide to exporting your Quantfury trading and cash account statements as PDF. Required to declare crypto, shares and CFDs in Spain.

March 23, 2026 • 4 min read

How to download your Bitvavo history (step-by-step guide 2026)

Complete guide to exporting your Bitvavo transaction history as CSV. Required to declare crypto in Spain.

March 12, 2026 • 5 min read

Why a read-only API key is completely safe to share

How exchange APIs work, what permission levels exist, and why sharing a read-only key puts none of your funds at risk.

February 26, 2026 • 6 min read

Amended crypto tax return: how to put earlier years right (2026)

You never declared your crypto and now you want to put it right. What an amended return is, when to file it and how we use the FIFO calculation to get everything in order.

February 24, 2026 • 7 min read

How to authorise your adviser in Bizkaia (Diputación Foral) - step-by-step guide 2026

A complete guide to granting a power of attorney on eBizkaia. It lets your adviser file amended returns and other procedures on your behalf.

February 23, 2026 • 5 min read

How to get your AEAT reference number (step-by-step guide 2026)

A quick guide to obtaining your reference number from the Spanish tax agency. Your adviser needs it to file your Renta return on your behalf.

February 11, 2026 • 5 min read

How to download your Revolut Crypto history (step-by-step guide 2026)

Complete guide to exporting your Revolut crypto history in Excel/CSV. Required to declare crypto in Spain.

February 10, 2026 • 6 min read

Modelo 721: the paperwork you need to file it with CryptoImpuestos (2026)

A full guide to the paperwork required for Modelo 721. Downloadable templates, requirements for each situation and the process step by step.

February 9, 2026 • 7 min read

How to download your Binance history (step-by-step guide 2026)

Complete guide to exporting your Binance history: download the CSV or connect by API. Required to declare crypto in Spain.

February 5, 2026 • 5 min read

How to download your Kraken history (step-by-step guide 2026)

Complete guide to exporting your Kraken transaction history as CSV. Required to declare crypto in Spain.

February 4, 2026 • 11 min read

Crypto glossary: every crypto transaction and how it is taxed in Spain (2026)

A plain-English dictionary of crypto transactions: buying and selling, staking, airdrops, DeFi, NFTs and more. What each one is and how Spain taxes it.

February 2, 2026 • 7 min read

I have been scammed with crypto: what to do, step by step (2026)

A complete guide if you have fallen victim to a crypto scam. How to document it, where to report it and how to declare the loss so it offsets your tax bill.

February 2, 2026 • 10 min read

Penalties for not declaring crypto in Spain (2026)

Fines and penalties from the Spanish tax agency for undeclared crypto in your tax return or Modelo 721. Surcharges, infringements and how to put things right. Updated 2026.

February 1, 2026 • 6 min read

Modelo 721: the complete guide to declaring crypto held abroad (2026)

What Modelo 721 is, who has to file it, deadlines, foreign exchanges, how to fill it in and the penalties. Guide updated for 2026.

December 30, 2025 • 3 min read

How to download your Bit2Me history for the Spanish tax agency: step-by-step guide (2025)

Step-by-step guide to downloading the XLSX file with every Bit2Me transaction. Essential for your tax report and for staying out of trouble with the AEAT.

December 23, 2025 • 3 min read

The FIFO method for crypto: the definitive guide for your 2025 tax return

Do you know what the FIFO method is and why the Spanish tax agency insists on it? Find out how it shapes your crypto tax bill, with worked examples for the 2025 tax return.

December 23, 2025 • 3 min read

How does the Spanish tax agency know I have a cold wallet? The truth about tracing in 2025

If you use a Ledger or a Trezor, you are not invisible. Here is how the Spanish tax agency traces cold wallets in 2025 through exchanges, banks and the blockchain.

December 22, 2025 • 12 min read

How to 'reset' your crypto portfolio: a guide to cleaning up your tax position and cutting traceability costs

Paying more for your crypto tax report every year? Here is the Portfolio Reset strategy: clean up your history, cut your costs and start from scratch before DAC8.

December 20, 2025 • 6 min read

🚨 DAC8: the law that wants to end crypto anonymity in Europe

The DAC8 Directive will require exchanges to report every crypto movement you make to the Spanish tax agency from 2026. See how it affects you and how to avoid penalties.

December 20, 2025 • 4 min read

Has the Spanish tax agency spotted my Binance activity? Everything you need to know

How the Spanish tax agency detects your activity on exchanges such as Binance, what the CRI001 notice means and how to act before a penalty lands.

May 15, 2025 • 6 min read

How to download your Crypto.com history (step-by-step guide 2026)

Complete guide to exporting your transaction history from the Crypto.com App and Exchange as CSV. Required to declare crypto in Spain.

May 8, 2025 • 6 min read

How to download your BingX history (step-by-step guide 2026)

Complete guide to exporting your BingX transaction history as CSV or by API. Required to declare crypto in Spain.

May 7, 2025 • 5 min read

How to download your Bybit history (step-by-step guide 2026)

Complete guide to exporting your Bybit transaction history as a CSV. Required to declare crypto in Spain.

May 6, 2025 • 6 min read

How to download your Bitget history (step-by-step guide 2026)

Complete guide to exporting your Bitget transaction history as CSV or by API. Required to declare crypto in Spain.

May 5, 2025 • 5 min read

How to download your KuCoin history (step-by-step guide 2026)

Complete guide to exporting your KuCoin transaction history as CSV or by API. Required to declare crypto in Spain.

January 30, 2025 • 4 min read

Staking and rewards: how crypto rewards are taxed in Spain (2025)

Staking ETH or BTC? Find out when and how much you owe the Spanish tax agency on your staking, lending and yield farming rewards in 2025.

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Documentos para hacer la Renta con criptomonedas (2026)

Todo lo que necesitas para hacer la Renta: checklist completo de datos y documentos (incluyendo cripto)

The best options now that Binance has stopped operating in Spain (2026)

How to download your CoinEx history (2026 guide)

I never declared my crypto: how to get straight with the Spanish tax agency (2026)

How to declare crypto in Spain: the core guide (2026)

Why do I have to report every year I have been trading?

How to download your Trade Republic history (step-by-step guide 2026)

How to export your crypto wallet activity (complete guide 2026)

Received a CR3 crypto notice from the Spanish tax agency?

How to download your Coinbase and Coinbase Pro history (step-by-step guide 2026)

How to offset crypto losses on the Renta 2025 tax return (updated 2026 guide)

How to download your OKX history (step-by-step guide 2026)

How to download your Quantfury history (step-by-step guide 2026)

How to download your Bitvavo history (step-by-step guide 2026)

Why a read-only API key is completely safe to share

Amended crypto tax return: how to put earlier years right (2026)

How to authorise your adviser in Bizkaia (Diputación Foral) - step-by-step guide 2026

How to get your AEAT reference number (step-by-step guide 2026)

How to download your Revolut Crypto history (step-by-step guide 2026)

Modelo 721: the paperwork you need to file it with CryptoImpuestos (2026)

How to download your Binance history (step-by-step guide 2026)

How to download your Kraken history (step-by-step guide 2026)

Crypto glossary: every crypto transaction and how it is taxed in Spain (2026)

I have been scammed with crypto: what to do, step by step (2026)

Penalties for not declaring crypto in Spain (2026)

Modelo 721: the complete guide to declaring crypto held abroad (2026)

How to download your Bit2Me history for the Spanish tax agency: step-by-step guide (2025)

The FIFO method for crypto: the definitive guide for your 2025 tax return

How does the Spanish tax agency know I have a cold wallet? The truth about tracing in 2025

How to 'reset' your crypto portfolio: a guide to cleaning up your tax position and cutting traceability costs

🚨 DAC8: the law that wants to end crypto anonymity in Europe

Has the Spanish tax agency spotted my Binance activity? Everything you need to know

How to download your Crypto.com history (step-by-step guide 2026)

How to download your BingX history (step-by-step guide 2026)

How to download your Bybit history (step-by-step guide 2026)

How to download your Bitget history (step-by-step guide 2026)

How to download your KuCoin history (step-by-step guide 2026)

Staking and rewards: how crypto rewards are taxed in Spain (2025)

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