Buyer-intent library

1099-DA guides for the questions people ask when the numbers look wrong

Start with the exact problem: high proceeds, missing cost basis, wallet transfers, an unexpected or changed form, or a filing deadline.

Issuer-first steps when the form does not match activity you recognize.

Answers the common Coinbase 1099-DA questions in one authority page.

Compare versions and document the exact difference.

Why transfer-ins can be noncovered and what records reconnect the original cost.

What changes for 2026 transactions and 2027 reporting.

For eligible 2025 return filers who timely requested an extension.

Reconnect outside acquisition history and transfers.

Separate platform records from outside-wallet history.

Trace exchange → wallet → swap/bridge → exchange paths.

Review platform exports and external basis records.

Diagnose proceeds, basis, transfer and classification differences.

Need a record-organization workflow?

The 1099-DA Mismatch Rescue Guide organizes missing cost basis, transfers and multi-platform records before you escalate.