Guides, News, and Analysis for Investors
Everything you need to know about cryptocurrency taxation, traditional market investments, and financial data analysis. Regulatory updates, case studies, and tax optimization strategies.
Latest Published Article
The most recent on cryptocurrency taxation in Spain
How to Document DeFi Transactions for the Spanish Tax Authority: A Practical Guide to Tax Evidence
Complete guide to documenting your decentralized finance activity for the Spanish Tax Authority. Learn what evidence the AEAT expects, how to extract on-chain data, value transactions in euros, and build a robust tax documentation system.
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Cryptocurrency Taxation
Form 714 for Cryptocurrencies: Complete Wealth Tax Guide
Complete guide on cryptocurrency taxation in Spain: tax forms, obligations to the AEAT, capital gains calculation and digital asset declaration.
- •DAC8 Directive and Cryptocurrencies: What Your Exchanges Are Going to Know About You and How to Get Ready
- •Stablecoins and Taxation in Spain 2025: Why Converting BTC to USDT Does Trigger Taxes with AEAT
- •Forms 100, 721, and 714 for Cryptocurrencies: Complete AEAT Guide 2025
+7 more articles
Advanced DeFi Taxation
Crypto Lending and Borrowing: How DeFi Loans Are Taxed in Spain
Tax treatment of complex DeFi operations: staking, yield farming, liquidity pools, lending, decentralized protocols and on-chain transaction traceability.
- •LP Tokens Uncovered: How Liquidity Pools Are Taxed in Spain
- •Yield Farming in Spain: Complete Tax Guide on How DeFi Returns Are Taxed
- •DAC8 and DeFi: Real Implications for Wallets, Swaps, Liquidity and On-Chain Yields
+1 more articles
Data Engineering Applied to Taxation
ETL Pipeline for Crypto Taxation: Automate Your Tax Filing
Technical methodologies for tax data processing: CSV extraction, dataset cleaning, operation classification, ETL, transaction reconciliation and blockchain data auditing.
Specific Practical Guides
How to Document DeFi Transactions for the Spanish Tax Authority: A Practical Guide to Tax Evidence
Step-by-step tutorials for specific tax operations: export exchange histories, download wallet data, document swaps, generate AEAT reports and prepare declarations.
- •Guide to Download Bybit History: Export Your Tax Data Step by Step
- •How to Get CSV from Kraken: Complete Guide to Export Tax Data
- •How to Export Your Transaction History from Ledger: Complete 2025 Guide
+3 more articles
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