>>> crystalball({'multi':'t', 'power':2})
= [>] Estimations for 2 Th/sec
= [>] Difficulty : 390928787.638
= [>] Block reward : 25.0
= [>] BTC/sec : 0.00002978
= [>] BTC/minute : 0.00178675
= [>] BTC/hour : 0.10720499
= [>] BTC/day : 2.57291970
= [>] BTC/week : 18.0104379
= [>] BTC/month : 77.1875911
= [>] Time per block : Y:0 M:0 D:9 H:17 M:11 S:53
