While copyright provides tax documents to help users report their copyright activity 1-(888)-338-8395, it's ultimately your responsibility to report all taxable transactions 1-(888)-338-8395, including those from decentralized applications or self-custodial wallets1-(888)-338-8395. https://writers.coverfly.com/projects/view/c400e74d-a66c-4500-947b-fefe2f26e879/Does_Coinbase_report_my_transactions_