Technical methodologies for tax data processing: CSV extraction, dataset cleaning, operation classification, ETL, transaction reconciliation and blockchain data auditing.
Explore the complete collection of articles about data engineering applied to taxation
Learn how to design a professional ETL pipeline that transforms the chaos of data from multiple exchanges and wallets into precise, auditable tax information. Architecture, tools, and best practices to automate your cryptocurrency tax return.
Cleriontax Team
Crypto Tax and Data Analysis Experts
Professional guide to clean, debug, and prepare your cryptocurrency data before filing your tax return. Learn data engineering techniques applied to crypto taxation so you can obtain accurate reports for the Spanish Tax Agency (AEAT).
Cleriontax Team
Crypto Tax and Data Analysis Experts
A complete guide to the best tools to track and manage your crypto portfolio. We compare DeBank, Zerion, CoinTracking, Koinly and other solutions, explaining which is best for taxation in Spain and when you need a professional service.
Cleriontax Team
Crypto Tax and Data Analysis Experts
Learn how to correctly classify your cryptocurrency transactions according to AEAT criteria and avoid mistakes in your tax declaration.
Cleriontax Team
Crypto Tax and Data Analysis Experts
The most common questions about data engineering applied to taxation
Find the detailed answer in the articles of this cluster. Our guides include practical examples, step-by-step calculations and references to AEAT regulations.
Find the detailed answer in the articles of this cluster. Our guides include practical examples, step-by-step calculations and references to AEAT regulations.
Find the detailed answer in the articles of this cluster. Our guides include practical examples, step-by-step calculations and references to AEAT regulations.
Find the detailed answer in the articles of this cluster. Our guides include practical examples, step-by-step calculations and references to AEAT regulations.
Find the detailed answer in the articles of this cluster. Our guides include practical examples, step-by-step calculations and references to AEAT regulations.
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