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Crypto Tax Blog

Practical guides, legal updates and strategies to correctly report your cryptocurrencies in Spain.

aeat
irpf
clave-pin

How to Declare Crypto to the Tax Agency: Digital Certificate, Cl@ve PIN, and Online Access

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.

Equipo declaracrypto21 Apr 2026· 6 min
ajd
itp
tokenizacion

Crypto and the Stamp Duty on Documented Legal Acts (AJD): When Does It Apply?

The AJD tax applies to notarized and commercial documents. Does it apply to real estate tokenization, the establishment of crypto joint ownership communities, or the issuance of tokenized debt? We analyze when AJD affects crypto asset operations.

Equipo declaracrypto21 Apr 2026· 5 min
embargo
hacienda
deudas

Can the Tax Agency Seize Your Cryptocurrencies? Debts and Wallet Seizures

If you have debts with the Tax Agency or other creditors, can they seize your Bitcoin or Ethereum? We analyze the legal mechanisms for seizing crypto assets in Spain and how the AEAT can locate and execute digital assets.

Equipo declaracrypto21 Apr 2026· 6 min
terra
luna
lunc

Terra Classic (LUNC) and UST: Taxation of the Collapse and Recovery

The collapse of Terra (LUNA) and UST in May 2022 was one of the biggest disasters in crypto. We analyze how to report tax losses from the collapse, the treatment of LUNA v2 received in the airdrop, and the situation of Terra Classic (LUNC) in 2025.

Equipo declaracrypto21 Apr 2026· 6 min
cryptocom
cro
visa

Crypto.com Visa Card and CRO: staking, advanced cashback, and taxation in Spain

The Crypto.com Visa offers cashback in CRO, staking rewards, and benefits on platforms like Netflix or Spotify. We analyze the taxation of each type of reward for residents in Spain under the 2025 regulations.

Equipo declaracrypto21 Apr 2026· 6 min
shiba
shib
shibarium

Shiba Inu (SHIB), Shibarium, and ShibaSwap: DeFi Meme and Taxation in Spain

The Shiba Inu ecosystem goes beyond the SHIB token: it includes LEASH, BONE, ShibaSwap, and the Layer 2 Shibarium. We analyze how staking rewards in BONE, LP in ShibaSwap, and the use of Shibarium are taxed for Spanish investors.

Equipo declaracrypto21 Apr 2026· 5 min
no-residente
irnr
exchanges

Non-resident investors in Spain with cryptocurrencies: taxation and obligations

If you are not a tax resident in Spain but have crypto held here or on Spanish exchanges, what obligations do you have? We analyze the IRNR, DTAs, and reporting obligations for non-residents with crypto assets in Spain.

Equipo declaracrypto21 Apr 2026· 6 min
herencia
patrimonio
familia

Crypto and Multi-Generational Family Wealth Management in Spain

Managing family crypto wealth across generations requires planning: lifetime donations, family corporate structures, succession agreements, and Spanish law equivalents of trusts for crypto assets.

Equipo declaracrypto21 Apr 2026· 7 min
devengo
irpf
declaracion

The Accrual Principle in Crypto: When Does the Tax Obligation Arise?

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.

Equipo declaracrypto21 Apr 2026· 6 min
exchanges
auto-custodia
seguridad

Regulated Exchanges vs Self-Custody: Tax and Security Implications in 2025

Is it better to keep your cryptocurrencies in a regulated exchange (custodian) or in your own wallet (self-custody)? We compare the tax pros and cons, security aspects, and reporting obligations of each option under Spanish regulations for 2025.

Equipo declaracrypto21 Apr 2026· 6 min
administrador
sociedad
is

Cryptocurrencies and Corporate Administrator Responsibility: Tax Risks

If you are an administrator of a company operating with cryptocurrencies, you may be jointly liable for the company's tax debts. We analyze the tax risks for administrators concerning Corporate Tax, VAT, and crypto reporting obligations.

Equipo declaracrypto21 Apr 2026· 6 min
comparativa
residencia-fiscal
europa

Crypto Tax Comparison: Spain vs Portugal, Germany, and France in 2025

How much tax do you pay for selling Bitcoin in Spain, Portugal, Germany, or France? We compare tax rates, exemptions, and special rules in these four countries to help you evaluate whether changing your tax residency makes sense.

Equipo declaracrypto20 Apr 2026· 8 min
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