commitmentRockPaperScissor

play rock paper scissor with your distant friend over internet without him cheating. this uses a commitment scheme so that both the users cannot cheat. supppose you need to play rock paper scissors with a friend over telephone , how will you do that ?. if you try to tell what you are going to play the other opponennt may use that info to alter the game in his favor. commitment schemes allow you to make a commitment without disclosing vital information. this implementation depends upon the unreversibility of sha256 to imply commitment