[ExI] Bitcoin

[Eugen Leitl]

On Mon, Apr 08, 2013 at 11:39:01AM -0700, Dan wrote:

> Maybe one already exists, but, if not, it would be nice if there were a put
> on Bitcoin, so that one could buy an option against it -- sort of a hedge,
> since the current rise seems, to me, unsustainable.

Short-term you're likely right this is tulipmania, but long-term, not so
sure. As to executing puts, see this thread 
http://xent.com/pipermail/fork/Week-of-Mon-20130401/062942.html