Bitcoin miner is a hardware which bitcoin manufactures for us. After having installed some software in it, we can configureit in mining. After that, it is kept on 24 hours running. Then it generates bitcoin for us and that is our earning. In the early days of 2009, A simple computer was used for bitcoin mining. Then in 2010 and 2011. Gpu Rig was used for bitcoin mining. In 2013,a company (Bitmain) prepared a Model S1 180Gh/s by the name of Asic(application specific integrated-circuit) miner. Later on many upgrade models S2, S3, S4, S5, S7 and S9 prepared. Now latest model Antminer S9 speed is 14Th. As the hash rate increased on bitcoin network, Bitcoin mining became slow. This process is called bitcoin difficulty. Because of bitcoin difficulty, Asic Bitcoin miner upgraded very fast..
My Name is Ghulam Ahmed. I have been working on bitcoin cryptocurrency in Pakistan since the past three years.Now I am top resellers in Pakistan and have many cilents from different countries of Mining hardwares.Me and My team members have built high quality Gpu rig in cheap rate who generate good GH/s on all cryptocoins.