As we already know, on January 3, 2009, a genesis block was created in the bitcoin network, thank you, Satoshi. Since Bitcoin was literally worthless at the time, only a few Bitcoin was mined. So the mining was available even from your laptop. All calculations were done by the processor and the approximate mining complexity of the unit was 4Gh/s. Mining performance is measured in hashes per second - h/s. The hashrate of the device is determined by its performance and computing power, the hash...