Crypto taxes, from a guy who held the bag
US crypto taxes. Dead bags, worthless tokens, 1099-DA, per-wallet cost basis, rebuilding records after exchanges vanish. Every sale, swap, and dead token needs a date, a number, and a record behind it. Start with the guide that matches your mess.
Guide
1099-DA: what the crypto tax form shows and leaves out
The broker form reports proceeds for every sale and basis only for coins bought and kept at that broker. Box by box: what it shows, what it leaves out, and where each number lands on the return.
Guide
Crypto tax-loss harvesting and the wash-sale rule, explained
What a realized loss does on the return, how the annual offset and the carryforward work, and what the wash-sale statute covers by its own text as of the page date.
Guides
Coinbase cost basis and tax documents: what each one showsWhich tax documents Coinbase provides, why the cost basis is blank on most of them, and which records rebuild it under the per-wallet rules.2026-09-22Form 1099-DA: the crypto broker form, box by boxWhat the 1099-DA form reports, box by box: who sends it, the first year it covers, why the basis box is blank for most holders, and where it lands on Form 8949.2026-09-02Crypto tax-loss harvesting and the wash-sale ruleDoes the wash sale rule apply to crypto? What section 1091 covers by its own text, how a realized crypto loss nets and carries forward, and where it lands.2026-09-02Worthless crypto tax loss: sell it or claim it worthlessHow a dead token becomes a deductible loss under US rules: sell it and book the loss, or claim it worthless. What the IRS and the statute say each route needs.2026-09-01Rebuild crypto cost basis when the records are goneHow crypto cost basis works under US rules, what changed on January 1, 2025, what a 1099-DA reports, and the order to rebuild a basis from records.2026-09-01FTX cost basis: records, claims, and what the docket saysWhat the charging documents and the docket say about FTX, where the customer records went, how to get them from the claims agent, and how to rebuild basis.2026-09-01Celsius cost basis: records, claims, and the docketWhat the charging documents and the docket say about Celsius, where the customer records went, how to get them from the claims agent, and how to rebuild basis.2026-09-01
Tools
Crypto tax toolsRegistry
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