Mining is used to create new coins as well as validate existing transactions. The decentralised nature of the blockchain could allow fraudsters to spend cryptocurrencies more than once at the same time if no one authenticated transactions. Mining reduces such fraud and increases user confidence in the coin. Anyone with a competent home computer could mine cryptocurrencies a decade ago. However, as the blockchain has grown, so has the processing power necessary http://andersonlidw042.lowescouponn.com/how-to-invest-in-bitcoin-wi... to keep it running.