The availability of cryptocurrency purchasing options through credit card or bank transfer will vary from bank to bank. Some banks may offer these services directly, while others may not. If a bank does offer these services, there may be restrictions or limitations in place. It's best to check directly with the bank for more information on their specific cryptocurrency services and the methods available for purchasing. Additionally, there are dedicated cryptocurrency exchanges and brokerages that allow you to buy and sell cryptocurrencies using various payment methods, including credit cards and bank transfers.