Note1 – At 6:46 when Chris is drawing the Merkle Tree, C would actually be duplicated and hashed with itself not with B. So you would get H(C – C) instead of H(B – C).
Public Key Encryption:
The Perfect Code:
This video was filmed and edited by Sean Riley.
Computer Science at the University of Nottingham:
Computerphile is a sister project to Brady Haran’s Numberphile. More at