tapscott done thank you so much for being here happy to be here and don can you put sort of block chain in historical perspective with regard to other technological innovations many of which you've written about over the years by the way i like to think about block chain as this is the second era of the internet so for forty years we've had this internet of information and when i send you some information like a power point or i'm e-mail i'm actually sending you a copy and that works great for information but when it comes to things that really matter for the economy assets things of value like money or stocks or bonds or intellectual property or loyalty points carbon credits music art votes sending a copy of those is a terrible idea and so. well and also if i send you a thousand dollars it's really important that i don't still have the money you know i can't spend or to send it somewhere else so cryptographers of called this a double spend problem and the way that we handle this in our economy is through big intermediaries banks governments credit card companies social media companies

tapscott done thank you so much for being here happy to be here and don can you put sort of block chain in historical perspective with regard to other technological innovations many of which you've written about over the years by the way how late to think about block chain is that this is the second era of the internet so for forty years we've had this internet of information and when i send you some information like a power point or i'm e-mail i'm actually sending you a copy and that works great for information but when it comes to things that really matter for the economy assets things of value like money or stocks or bonds or intellectual property or loyalty points carbon credits music art vote sending a copy of those is a terrible idea and so. well and also if i send you a thousand dollars it's really important that i don't still have the money you know i can't spend or to send it somewhere else so cryptographers of called this the double spend problem and the way that we handle this in our economy is through big intermediaries banks governments credit card companies social media co

walk star one of the analysts here today alex gordon brander plus we've got the best selling author don tapscott who wrote the book walk chain revolution but first let's check out some headlines in business and finance back in the studio in washington. u.s. treasury secretary steve menuchin speaking at the world economic. in davos embraced a weak dollar and the nugent told reporters quote obviously a weaker dollar is good for us as it relates to trade and opportunities a weaker dollar generally favors domestic production by making imports for expensive blackrock chief executive lawrence fink also played down the dollar slide and said investors and the media overreacted to me and statement i.m.f. managing director christine lagarde however said she hoped menuhin would quote clarify his comments and suggested that the recent trump tax cuts would push the dollar's value higher. as puerto rico struggles to recover from hurricane maria the island's leaders announced late wednesday that they won't be able to pay back any portion of that seventy billion dollars debt for at least five years the

tapscott who wrote the book walk chain revolution but first let's check out some headlines in business and finance back in the studio in washington. u.s. treasury secretary steve menuhin speaking at the world economic forum in davos embraced a weak dollar and the nugent told reporters quote obviously a weaker dollar is good for us as it relates to trade and opportunities and weaker dollar generally favors domestic production by making imports more expensive blackrock chief executive lawrence fink also played down the dollar slide and said investors and the media overreacted to mention statements i.m.f. managing director christine lagarde however said she hoped my.