Hello,
I recently started my interest in bitcoin and i would like to start mining,
I'm looking on few machines but i don' know enough about mining to decide, but after my research i'm deciding between theese four:
antminer s9 (cca£2000)
Antminer S7 (£600)
Antminer R4 (1600)
Avalon 741 (£1100)
I do ...