pyramining is a scam I deposited 4btc in 2012 and only have gotten back 1.72864326 btc
Label
Date
Deposited
Power
Completion
k87b92pm 2012-08-13 21:36:25 UTC 4.0 34.0 MH/s 39.2%
34mh/s
This Difficulty
Coins Dollars
per Day 0.00000032 BTC $0.00
per Week 0.00000221 BTC $0.00
per Month 0.00000959 BTC $0.00
lets see how many years to mine a bitcoin
Days to generate one BTC: 3173072.62 Days
lets see 3173072.62 / 365 =8693.349643835616 years
A scam is if you got nothing back entirely..
This should be looked as a high level risk of investment w. bad margins, and shouldnt be expexted anything more then that.
This is similar to a mlm where you life blood of making btc is based on referrals.