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Crypto Tax Blog

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

usdt
usdc
tether

USDT, USDC and stablecoins in Spain: do you need to declare gains to Hacienda?

Stablecoins (USDT, USDC, DAI) are cryptocurrencies. Guide on tax obligations in Spain.

Equipo kointax23 May 2026· 4 min
stablecoins
defi
ethena

Ethena (USDe) and sUSDe: the synthetic stablecoin and its taxation in Spain

Ethena offers a stablecoin backed by delta-hedging of ETH and BTC, with a sustainable yield via funding rates. Staking USDe in sUSDe generates returns with specific tax implications.

Equipo declaracrypto25 Apr 2026· 6 min
stablecoins
defi
frax

Frax Finance: partially collateralized stablecoin and taxation in Spain

Frax is a partially algorithmic stablecoin backed by collateral (USDC) and FXS emissions. With frxETH, sfrxETH and veFXS, the Frax ecosystem creates multiple tax layers for the Spanish investor.

Equipo declaracrypto25 Apr 2026· 6 min
stablecoins
irpf
usdc

USDC vs DAI vs USDT: differences in tax treatment in Spain

Large stablecoins (USDC, DAI, USDT, PYUSD) have structural differences that affect their tax treatment. How the support, issuer and mechanism influence the personal income tax return.

Equipo declaracrypto25 Apr 2026· 6 min
stablecoins
pérdidas
irpf

Algorithmic stablecoins and crypto crashes: how to declare catastrophic losses

The collapse of UST/LUNA in 2022 and other crypto projects left thousands of investors with devastating losses. How to declare these losses, when and what documentation is necessary.

Equipo declaracrypto25 Apr 2026· 7 min
usdt
stablecoins
irpf

USDT and stablecoins: how are they taxed in Spain?

Stablecoins like USDT, USDC, or DAI also have tax implications in Spain. Discover when they are taxed and which errors to avoid.

Equipo declaracrypto15 Apr 2026· 5 min
stablecoins
usdt
usdc

USDT, USDC and stablecoins in Spain: do you need to declare them even if there's no gain?

Stablecoins like USDT/USDC seem to have no gains. But there are cases where they do generate taxable events.

Equipo kointax4 Feb 2026· 5 min