What is the Difference between a Hash and MAC (Message Authentication code)?

Question

What is the Difference between a Hash and MAC (Message Authentication code)?

By their definitions they seem to serve the same function.

Can someone explain w

Answer 1

1. Hash functions utilize asymmetric cryptography whereas, MAC use symmetric cryptography.
2. Cryptographic hash functions are not always a MAC, but MAC can be a cryptographic hash functions (keyed hash functions).
3. Hash functions provide non-repudiation where MAC do no provide non-re