Question: Question 4 involves scanning for a value that when hashed, such a . with SHA - 2 5 6 , the hash begins with a

Question

4

involves scanning for a value that when hashed, such a

.

with SHA

- 256,

the hash begins with a number of zero bits. The average work required is exponential in the number of zero bits required and can be verified by executing a single hash.

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Question 4 involves scanning for a value that when hashed, such

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