How bitcoin mining works coindesk
how does mining work and why does it even exist? : Bitcoin how does mining work and why does it even exist? I heard its that they use your gpu (video card) for confirming the payments, im very confused, how does the gpu even matter? shouldnt it be the ram and cpu that actually matters? and why does it have to mine to keep track of transactions and not use paypals system? also does a gtx 760 profit from