Top 3.

Cryptodouble : https://bitcointalk.org/index.php?topic=900132.0 : 100% in 100 hours : COLLAPSED. (BTC)

Weeklyponzi : https://bitcointalk.org/index.php?topic=918471.0 : 30% when money is enough : COLLAPSING. Restarts in few days.

Cryptoponzi : https://bitcointalk.org/index.php?topic=920260.0 : 50% when money is enough : STARTING UP. Restarts in 5 days.


Return is not guaranteed.