This is a very thorough and compelling takedown of bitcoin.
-------------No. Bitcoin is a ludicrously bad idea. It is a scam. A Scam. It is not a currency. The economic assumptions underpinning the Bitcoin ecosystem are laughable, and ignore hundreds of years of accumulated understanding of how currencies work with each other.
.... http://www.quora.com/Bitcoin/Is-the-cryptocurrency-Bitcoin-a-good-idea