As a cryptocurrency enthusiast, I'm curious about how to purchase $DOG tokens using Bitcoin. Could you please elaborate on the steps involved? Is there a specific exchange or platform that facilitates this transaction? Are there any prerequisites or additional fees that I should be aware of? Furthermore, what are the recommended security measures to ensure a safe and secure purchase? I'm keen on understanding the entire process to make an informed decision before proceeding. Thank you for your assistance in clarifying this matter.