You only have send documentation to the IRS for transactions where the cost basis was not reported to the IRS by your financial institution.
It appears you will only have to send information about your cryptocurrency.
The IRS says:
If you e-file your return but choose not to report each transaction on separate row on the electronic return, you must either (a) include Form 8949 as a PDF attachment to your return, or (b) attach Form 8949 to Form 8453 (or the appropriate form in the Form 8453 series) and mail the forms to the IRS.
You can attach one or more statements containing all the same information as Form 8949, instead of attaching Form 8949, if the statements are in a format similar to Form 8949.
2021 Instructions for Form 8949
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