Purchase any of these miners

50 Th/s
0.0004btc/day
Cost: 0.0015btc
Active 7 days
70Th/s
0.0005btc/day
Cost: 0.005btc
Active 15days
90Th/s
0.0007btc/day
Cost: 008btc
Active 30 days
120Th/s
0.014btc/day
Cost: 0.015btc
Active 30 days