MetaMask and DeFi in Spain: declaring wallet operations
MetaMask = wallet (not exchange). No downloadable tax reports. Blockchain is public — AEAT can access on-chain data.
Taxable DeFi events:
- DEX swaps: Capital gain/loss
- LP rewards/yield farming: Capital income when received
- Liquidity withdrawal with impermanent loss: Capital gain/loss
- NFT sales: Capital gain
Non-taxable events:
- Adding/removing liquidity (the act itself, not the gain)
- Receiving LP tokens
- Depositing collateral
Import in kointax: Add wallet → paste 0x address → kointax retrieves full on-chain history. Inter-wallet transfers auto-marked as internal.