[makomk]

I know there were suspicions that Bitcoinica did that intentionally, and were making money by forcibly liquidating people's positions through fake price swings.

[tlrobinson]

Was there any evidence?

Anecdotally, in the Bitcoin world, if someone lost money and there's a chance to allege fraud, someone will do so.

[sillysaurus3]

That's a good thing. Bitcoin fraud is the easiest large-scale fraud you could hope to deploy in the modern day.