> publicly verifiable unpredictable randomness Public is very large. I think it should be mechanical so that everyone understand how it works. I guess it used

> publicly verifiable unpredictable randomness Public is very large. I think it should be mechanical so that everyone understand how it works. I guess it used to be like, here is one used in Finland at least ten years ago: https://www.youtube.com/watch?v=RFPwjeZe3Gs https://www.youtube.com/watch?v=RFPwjeZe3Gs sure there are ways to rig this one too, but it's clearer how it works.