Question: Suppose Alice has a message that she is ready to seod to anyone who asks. Thousands of people want to obtain Alice's message, but each

Suppose Alice has a message that she is ready to seod to anyone who asks. Thousands of people want to obtain Alice's message, but each wants to be sure of the integrity of the message. In this context, do you think a MAC-based or a digital-signature-based integrity scheme is more suitable? Why?

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