Your Form 8949 is showing a 'Summary Entry' of your Coinbase transactions, which is typical of crypto transaction reporting, even though the imported info was used in calculations.
If you are mailing your return, attach a copy of your transactions to Form 8949. This can be any format you choose, such as a .csv, spreadsheet or PDF file, just to show transaction details.
Here's more info on Reporting Crypto Transactions on Form 8949.
Per Champ @fanfare:
"IRS requires details to be listed on Form 8949, or on your own forms (e.g. consolidated 1099-B) which have the same information and in the same manner as Form 8949.
Either way, if you choose to summarize, you have to mail the transaction details to the IRS within three business days of IRS accepting your tax return.
Exception: if you summarize Category A or Category D, Form 8949 is not needed for transactions without adjustments. No mailing is necessary. TurboTax won't ask you about wash sales if you don't check the box.
Your 1099-B will tell you what category your transactions fall into.
no 1099-B? that's category C or F."
Edited 2/28/2023 |8:03 pm
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