XMR ProHash Review

Black Arrow Software has a range of products across the hardware space for crypto currencies. It's original push was for Bitcoin ASIC's with it's Minion Chip. It soon expanded into Litecoin ASICS with the Minion2 chip. Although its chip bundles are prohibitively expensive for most as they are large bulk orders - there are options to buy in smaller quantities. The Company does produce a mining rig range - the Prospero X-1 and the Prospero X-3 - although pricing has to determined by contacting the Company. Furthermore the Company has just introduced its own hardware wallet - the eWallet.

Coinmine is a ETH, ZEC, DASH, GRS, EXP, DCR, PPC, QRK, SRC, WDC, ZCL for a 1.5%, except for ETH, DASH, EXP and DCR which has a 1% fee. Coinmine uses a Prop payment system.

MyCoinCloud is based in Bulgaria and provides Bitcoin mining contracts which provide an advantage in terms lower cost electricity.