Tax authority inquiry about crypto? TX-Partner delivers the audit-ready crypto accounting as the foundation for your response.
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Crypto platforms report transaction data to authorities. Tax authorities compare this with tax returns and inquire.
A supplementary request (Austria), information request (Germany), or IRS CP2000 notice (US) is an official inquiry from the tax authority. You are asked to provide information about your crypto activities.
The background: Tax authorities worldwide have increasingly obtained information about crypto transactions – through the EU's DAC8 reporting duty since 2026, IRS Form 1099-DA in the US, and bilateral data exchange agreements. This data is compared with tax returns and discrepancies trigger inquiries.
Good to Know
Tax authorities often request tax reports from crypto tax tools like Blockpit or CoinTracking in supplementary requests. If the report shows warnings like "Short (Warning)" or "Missing History", the tax authority sees these notices as well.
Blockpit or CoinTracking reports are explicitly mentioned. The report should show all taxable transactions.
All wallet addresses where cryptocurrencies were held. These can be compared with blockchain data.
CSV exports from all exchanges used. These serve to verify the tax report data.
Complete listing of all crypto transactions with date, amount, value and counterparty.
If the Blockpit or CoinTracking report shows warnings, the tax authority sees the same notices:
Possible consequences of a report with errors:
The tax authority reviews the tax report and it's based on the crypto accounting in the tax tool. If there are gaps there, the report shows errors. And the tax authority sees these errors.
Crypto Accounting
Transaction history in crypto tax tool
Tax Report
Submitted to tax authority
Tax Authority Review
Follow-up questions, estimates, late penalties
If step 1 is wrong, step 2 becomes faulty and step 3 becomes a problem.
Data Check is free. From there, three depths for your tax authority response.
Crypto accounting, missing history, reconstruction – personal, experienced, on equal terms. Just what customers report.
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"I was initially in panic because lots of things were off in CoinTracking. Luckily everything was sorted in short time. Highly recommended."
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"My Blockpit report showed several discrepancies, especially unlabeled transactions and balance warnings. The support was competent and helpful."
"My crypto transactions were entered cleanly, fully and traceably in Blockpit. Saved me a lot of time and effort."
"I was skeptical whether anyone could really handle my DeFi transactions. Liquidity Pools, bridges across multiple chains. They actually know their stuff."
"I did not know exactly where I stood. TX-Partner reviewed my data and explained clearly where I am and what to watch out for."
"Everything went fast and reliably. Communication established a serious and trusted basis from the start. Very satisfied with the result."
"Very helpful. Where my tax advisor used to say 'better look that up yourself', the expertise of TX-Partner begins."
"TX-Partner helped me extremely competently and professionally in a particularly challenging situation with a tight deadline. Also human and empathic."
"Initially I was panicking because I had complex transactions and used many bridges across different chains. But then reassured. Years of experience."
Genuine reviews from Trustpilot, LinkedIn and direct customer feedback
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