, multiple people who developed bitcoin, any transfer of nakamoto's bit coins thought to be worth $30 as a potential risk factor. one fear if nakamoto is identified that could damage the reputation as decentralized or not controlled by one central authority. and similar to what we saw with tech stocks last week interest rates may be weighing on crypto sentiment as rates on the ten year rose. analysts say some investors likely backed off bitcoin. finally, carl, citi out saying bitcoin is at the tipping point of mainstream acceptance or speculative implosion. on one hand could become the currency of choice but they say there are still a host of risks and obstacles that stand in the way of bitcoin's progress. julia, back to you >> fascinating stuff, kate appreciate it. >>> instagram out with some news moments ago unveiling live rooms allowing you to broadcast live with three other people. ♪♪ ♪♪ ♪♪ pnc bank believes that if you can get a pair of goggles that helps with your backhand... ...then you should be able to get a bank account that helps with your budget. yeah! (laughs) virtual wal