Never tired one out, but looked at them... I think I'll keep my (VERY) hard earned BTC...
"Steal your money" ... "ponzies" ... OMG! OMG!
How many of you making these claims have actually checked them out... they may waste your precious time but they give 'you' BTC not the other way around.
Free Bitcon Sites ( newbie version, including newbie lotto )
https://bitcointalk.org/index.php?topic=90718