Kointax.ioKointax.io

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
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
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
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
bitcoin
irpf
renta

How to Declare Bitcoin on the Spanish Tax Return 2025

Step-by-step practical guide to declare your Bitcoin gains and losses on the 2025 IRPF. Learn which boxes to fill out and how to calculate the correct amount.

Equipo declaracrypto15 Apr 2026· 8 min