To transfer Bitcoin from Strike to Coinbase, follow these simple steps. First, open the Strike app and navigate to the "Send" option. Then, select Bitcoin as the cryptocurrency you wish to transfer. Next, log in to your Coinbase account and find your Bitcoin wallet address by selecting "Receive" and choosing Bitcoin. Copy the address and paste it into the recipient address field in Strike. Enter the amount of Bitcoin you want to send, confirm the details, and complete the transfer. Ensure both apps have updated information to avoid errors. Your Bitcoin will appear in your Coinbase wallet shortly.