MetaMask and DeFi wallets in Spain: importing for Hacienda
Challenge: Active MetaMask wallet may have thousands of transactions across Ethereum, Polygon, Arbitrum, Base, Optimism, BSC, Avalanche.
Import options:
- Direct public address import: kointax connects to 0x... and imports all chains automatically
- MetaMask CSV export: mainnet only, accepted by kointax
Auto-classified: DEX swaps, self-transfers (non-taxable), DeFi deposits/withdrawals, farming rewards, NFT purchases, gas fees.
Gas fees: Added to acquisition cost of each transaction.
Multiple MetaMask wallets: Add each address separately; kointax consolidates all.