How about using the price feed and creating a kind of prediction market. If those witnesses who voted for a particular dollar interest rate win and the following year the dollar stays within 3% of a US dollar, reward those witnesses better than the others.
That is like a dog chasing his own tail. You need to plug the hole in the sinking boat first, and throw out the water later.
How about using the price feed and creating a kind of prediction market. If those witnesses who voted for a particular dollar interest rate win and the following year the dollar stays within 3% of a US dollar, reward those witnesses better than the others.