for much more let's bring in cnbc.com effect nomices reporter mackenzie sigalos.got a question for you. what let's moving us higher? how big of a factor is institutional factors? how much are retail investors? so much enthusiasm first question from a cab driver, are you in bitcoin what let's moving bitcoin? >> that's your classic story of hitting a peak bubble moment the spotty effs have solidified the coins but they've been setting new records. collectively in the past two months they've brought in $50 billion. you look at blackrock's i shares bitcoin trust, it's the fastest that an etf has gone from zero to $10 billion in assets it's a game-changer. there are other things happening under the hood you've got the technological advancements that are going to put bitcoin on far we theory yum. they're flooding in in a way they haven't in the past. >> a real use case for bitcoin a lot of times there's use cases. >> bitcoin has been proud of the fact historically that it's kind of a boring commodity. it's something you can rely on, but i've been talking to a lot of o c