30 Dec '13, 1pm

Tech People Are Passing Around This Paul Krugman Quote On The Internet After He Called Bitcoin 'Evil'

Tech People Are Passing Around This Paul Krugman Quote On The Internet After He Called Bitcoin 'Evil'

It occurs to me that part of the disconnect is that Bitcoin solved a major technical problem, one that people had been thinking about for about 20 years, and we nerds just can’t believe that it doesn’t also solve an economic problem. The technical problem is double spending–if I have some digital money, it’s easy enough to verify cryptographically that it’s real, but if I give it to you, how can you tell that I haven’t also given it to someone else? Until Bitcoin, the answer was to have a bank that knew which coins were valid, so you’d present my coin to the bank, which would check its database and if it’s valid, cancel it and give you a new one. Bitcoin has its decentralized blockchain which is a very clever recasting of the problem so that the state of the “bank” is whatever the majority of bitcoin miners agree that it is. Getting enough of the miners to agree is known a...

Full article: http://www.businessinsider.com/paul-krugman-bitcoin-2013-12

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