Crypto Tax Blog
Practical guides, legal updates and strategies to correctly report your cryptocurrencies in Spain.
All
irpf 161
espana 149
impuestos 78
hacienda 55
defi 50
irpf-cripto 44
staking 33
kointax 28
comparativa 26
koinly 26
bitcoin 24
alternativa 24
fiscalidad 18
declaracion 16
trading 14
cripto 14
nft 12
aeat 11
tokens 11
blockpit 11
arbitrum
optimism
base
Arbitrum, Optimism and Base (Ethereum L2) in Spain: taxes and how to declare
Ethereum L2 networks are increasingly popular. Tax guide for users on Arbitrum, Optimism and Base in Spain.
Equipo kointax27 Aug 2026· 4 min
ethereum
layer 2
arbitrum
Ethereum Layer 2 (Arbitrum, Optimism, Base): specific taxation
Arbitrum, Optimism, Base and other Ethereum L2s offer cheaper transactions. Bridges, native tokens, ARB and OP airdrop, and their tax implications in Spain.
Equipo declaracrypto25 Apr 2026· 7 min
arbitrum
optimism
base
Layer 2 (Arbitrum, Optimism, Base) in Spain: taxes on L2 network operations
Ethereum Layer 2 networks like Arbitrum, Optimism, and Base enable cheaper operations. Complete tax guide.
Equipo kointax3 Mar 2026· 4 min