have a good night. >>> one person getting in big is bo collins, now very bullish on bitcoin and maybeer crypt oassets. in technology, when your parents start to use it, it becomes uncool the teenagers don't want it anymore. is it a craze? >> it depends on your viewpoint. it certain has risen in value incredibly fast. this year it's up 14 1/2 times alone. bitcoin, that is there's other crypt occurrence sits that are up even more it feels like a craze by every standard metric, but if you compare it to a social network effect, for instance, how fast facebook started growing you'll be able to effectively short bitcoin for the first t e time. >> this makes for the first time a way -- far easier than the current methodology of owning a big coin putting it in your own wallet or some other wallet. if you have a futures account and you don't feel like learning the process of ether or managing that risk, this is a very easy way to do it there's some institution, where can you take bitcoin and convert it into u.s. dollar, hedge it with a futures position and use it -- and the same way you would