Re: Many people think that Bitcoin is not a currency with practical uses
"In fact, it is not used much in the legal economy now.
It is.Quote
Yes, a rich man sells it to another rich man, but this is not the end use.
Bitcoin is for everyone from all around the world. From poor people in third world countries such as Africa, Venezuela, ... to rich people or even the corrupt banks can use bitcoin.Saying it is only used "among rich men" is short sighted and verges on being FUD.
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Rogoff said.
You mean the same guy who has been spreading FUD about bitcoin and calling it a bubble for years repeated the same old stuff again? Good to know they still keep at it 
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So, is the Bitcoin bubble about to burst?
Bitcoin is not in a bubble to burst. In fact it is at least $300000 away from being a bubble.