Lead · Tax Fundamentals
A completed Form 8949 can look perfectly fine, numbers all adding up — the real errors usually only surface once the tax authority cross-checks the data.
Olivia Park
·
September 03, 2026
When reporting crypto capital gains or losses in the United States, most filers need to itemize every single disposal transaction on Form 8949, then carry the aggregated totals over to Schedule D. The form's fields themselves aren't complicated, but precisely because they're simple, the place people actually go wrong isn't "how to fill it out" — it's "whether the numbers going in are correct."...