Retrieving your Coinbase TxID
Provided in this brief step-by-step guide are steps for retrieving a transaction hash from Coinbase for a recent transaction, as well as the destination address for your transaction.
Step 1: After logging in and while viewing the Coinbase homepage, select the appropriate menu icon within the same row as the asset you are attempting to research your transaction history for (circled in green).
Step 2: Make sure that you are on the Wallet tab, and then click the row displaying the amount of BTC you transferred on the date you initiated your transaction.
Step 3: You will find the destination address for this particular transaction in the To area (circled in purple above). Proceed to click on the View on block explorer hyperlink (circled in green above).
Step 4: After being directed to the explorer page, you will see a section of the page labeled Summary. The string located directly after the word hash would be the transaction ID you are looking for. This transaction ID is also located on the details portion of the page, as well as within the address to the page itself.