Polygon is the most used Ethereum scaling solution. Tax guide for MATIC/POL in Spain.
POL staking: Capital income at each checkpoint.
Low fees → many transactions: Polygon's low fees incentivize frequent small operations. Each is still a taxable event.
Polygon DeFi (QuickSwap, Aave, Curve): Same rules as Ethereum DeFi.
kointax imports full Polygon chain history using your 0x wallet address.
declaracrypto.es — FIFO, LIFO, HIFO or WAC method. 80+ compatible exchanges. Excel + PDF report ready for your tax return.
Start free — no card neededComplete summary of cryptocurrency taxation in Spain 2024-2025: everything you need to know
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kointax vs. manually declaring crypto in Renta Web: why use specialized software?
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Multisig wallets (Gnosis Safe) in Spain: tax implications for companies and DAOs
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