Public key infrastructure $($PKI$)$ provides a useful secure communications framework for both senders and recipients. However, there are caveatsthe secret keys need to be safeguarded in order to preserve the integrity and confidentiality of communications. With this in mind, you can apply the same principle in this discussion to safeguarding your private credit card number $($key$)$ while allowing its effective usability.Consider the following scenario and address the following questions in your post:Youve used your credit card to complete a purchase at a restaurant or on an e$-$commerce platform.How would you describe the process by which the credit card information is shared?What are some general best practices to ensure the number key remains secure$?$