Suppose you have 10 sources of entropy and you don't know which ones are good. If you pick one, and you pick the wrong one, you lose. If you use all of them wit

Suppose you have 10 sources of entropy and you don't know which ones are good. If you pick one, and you pick the wrong one, you lose. If you use all of them with an algorithm that works as long as any one of them is good, and any one of them is good, you're good.