online advertising

Saturday, September 5, 2015

Bitcoin and Cryptocurrency Technologies - Quiz 1 Problem 1

Which of the following is true of SHA-256? (check all that apply)

It has been proven that there is no fast way to find collisions (Wrong - this is no proof)
No collisions has ever been publicly found (Correct)
It has been proved not to have a collision (Wrong - this is no proof)
We hope that there are no collisions (Wrong -  there is collision, we just cannot find it)

No comments:

Post a Comment