The Complete Crypto Tax Document Checklist (2025)
Gathering the right documents up front is the difference between a smooth filing and a painful reconstruction. Use this checklist with every crypto client.
Exchange and broker forms
- Form 1099-DA / 1099-B from each platform (see our 1099-DA explainer)
- Year-end account statements
Transaction records
- Full CSV transaction exports from every exchange and wallet
- On-chain wallet addresses for self-custody activity
- Records of transfers between the client's own wallets
Income records
- Staking, mining, and reward statements
- Crypto received as payment or as a gift
- Airdrops and hard-fork receipts
The IRS digital asset guidance confirms most of these events are reportable — capture them before they become a problem.
A complete intake (see how to streamline intake) makes this checklist effortless to collect and review.
Frequently asked questions
Do I need records from every exchange?+
Yes. You need a complete transaction history from every exchange and wallet to calculate accurate cost basis and gains across the full year.
What if a client is missing transaction history?+
Most exchanges let users export historical CSVs from account settings. Where data is missing, document the gap and use a reasonable, consistent estimation method.
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