“Virtual currency schemes are an innovation that deserves some caution, given the lack of any guarantees and responsible parties to back them in the longer term or evidence that this isn't just a Ponzi scheme.”-
Mihkel Nommela of the Estonian central bankFirst they said, Bitcoin is Pnzi scheme. Now, they say it
could turn into Ponzi Scheme.
Tomorrow they'll say, I'm sorry. Bitcoin is not a ponzi scheme.
Day after tomorrow they'll say, Bitcoin is what you used to say.
http://www.ibtimes.co.uk/bitcoin-could-turn-into-ponzi-scheme-estonian-central-bank-1434738