Kointax.ioKointax.io

Crypto Tax Blog

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

renta-vitalicia
retiro
bitcoin

Bitcoin and retirement planning in Spain: can BTC be your pension? Tax implications

More and more Spanish people plan retirement with Bitcoin. Guide on the tax implications of using crypto for retirement.

Equipo kointax29 Sept 2026· 5 min
bitcoin
reserve
empresa

Bitcoin as corporate reserve in Spain: tax implications under Corporate Tax

Companies like MicroStrategy hold BTC on balance sheet. How does Spain's Corporate Tax treat corporate Bitcoin?

Equipo kointax20 Sept 2026· 5 min
bitcoin
precio
2025

Bitcoin at all-time highs in 2025: what Hacienda expects from you and how to prepare

With Bitcoin at all-time highs, many Spanish investors have significant unrealized gains. Guide on what to do fiscally.

Equipo kointax1 Jul 2026· 4 min
lightning
bitcoin
pagos

Bitcoin Lightning Network in Spain: do Lightning payments have tax implications?

Lightning Network enables instant Bitcoin payments. Guide on tax implications in Spain.

Equipo kointax22 Jun 2026· 4 min
inmueble
piso
bitcoin

Buying a flat with Bitcoin in Spain: taxes when using crypto for real estate

Paying for a property with Bitcoin in Spain generates IRPF and ITP tax obligations. Complete guide.

Equipo kointax26 May 2026· 5 min
mineria
bitcoin
solar

Bitcoin mining at home with solar energy in Spain: how is it taxed?

Home Bitcoin mining with solar panels is growing in Spain. Guide on taxation of this activity.

Equipo kointax2 May 2026· 5 min
minería
bitcoin
irpf

Bitcoin mining: hash rate, difficulty and tax profitability

The profitability of Bitcoin mining depends on the hash rate and the difficulty of the network. Analyze how these factors affect your tax income and how to optimize the declaration.

Equipo declaracrypto25 Apr 2026· 7 min
bitcoin
lightning
actividad-economica

Lightning Network nodes as an economic activity: taxation in Spain

Operating a Lightning Network node generates fees for routing Bitcoin payments. Is this an economic activity? How are routing fees taxed and what expenses are deductible?

Equipo declaracrypto25 Apr 2026· 6 min
etf
bitcoin
opciones

Options on Bitcoin ETFs: taxation in Spain for investors

Since November 2024, Bitcoin ETFs have options listed on American stock exchanges (IBIT options). How premiums paid, profits and hedging strategies are taxed in Spain.

Equipo declaracrypto25 Apr 2026· 7 min
soft-fork
protocolo
irpf

Soft forks: taxation when protocol changes without new tokens

Soft forks that do not generate new tokens have no tax consequences. But there are important nuances when there is an economic impact on the assets.

Equipo declaracrypto25 Apr 2026· 4 min
empresas
bitcoin
is

Bitcoin on the corporate balance sheet: the MicroStrategy model for Spanish companies

MicroStrategy popularized the strategy of investing corporate treasury in Bitcoin. Can Spanish companies do the same? Corporate tax, accounting valuation and regulatory risks.

Equipo declaracrypto25 Apr 2026· 7 min
bitcoin
nft
ordinals

Bitcoin Ordinals and Inscriptions: NFTs on the Bitcoin blockchain and taxation

Ordinals allow data (images, text, code) to be inscribed in Bitcoin satoshis, creating native NFTs in BTC. How registrations, BRC-20 and the Ordinals market are taxed in Spain.

Equipo declaracrypto25 Apr 2026· 7 min