we have bitcoin we have a theory and then many other cryptocurrency is it do we really need to see any promise there. i don't know if we needed. i would kind of separated from what you just mentioned bitcoin or theorem if they use the same name cryptocurrency. and i kind of doubt a remains to be seen if it is a proper protocol in c. that has because for crypto currency is special bitcoin the promise was that it's decentralized immutable unsensible there is no censorship there and everybody can access it and facebook is kind of building on that promise. whether it's unsensible that means everybody can do any transactions he or she wants or missing is the the pegging to the other currencies is that that's another big difference is that yes it is so in the crook of currency market that kind of corn would be called a stable coin because it is relatively stable compared to bitcoin for example which