joining us from boston is civic vinny lingham. why do you buy this rally? of risks on the horizon. bitcoin was sitting around 400 when i made the call to buy. this is something that's going to go up. we got to a point where it looks like there were a couple of technical risks. i decided there was a risk scenario i did not like and to reduce my holdings in bitcoin. i still hold bitcoin. i am very happy with it. caroline: there is still ongoing concern about another opportunity for a hard fall as soon as november. do you expect that risk to become a reality? >> i do. power is behind a proposal to upgrade bitcoin in a sense. there is some debate about whether it is an upgrade or not. it is going from one megabyte to two megabytes. caroline: these are technical terms we are hearing about expanding the transaction size ofbitcoin and making it more a means of transaction, a means of payment, rather than perhaps restoring value. on the show mcnamee saying he sees it as more of a commodity. will bitcoin and other currencies become a method of payment rather than a