(a) Identify and discuss a scenario where a hash function and its one-way property are crucial. Identify and discuss a different scenario where the second pre-image resistant property of a hash function is crucial.

(b) Briefly explain the reason that the output of a hash function must be pseudorandom. Give two (2) examples; one of your examples should be in the Bitcoin blockchain context.

(c) "Proof-of-Work is used in the Bitcoin blockchain to protect the integrity of the blockchain." Do you agree with this statement? Discuss your reasonings.

Answer rating: 100% (QA)

a One scenario where the oneway property of a hash function is crucial is in password storage When a user creates an account on a website or application their password is typically stored as a hash va... View the full answer