Quote:
Originally Posted by seXXXhub
as far as i readed today, made a little research, the big fear is that chinese announced they have the 16nm chip ready.
if thats true, that means higher mining power, with lower power ... and that can make other companies go bankrupt ..
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This. Electricity cost isn't the only factor here. Miners are competing for a limited resource, with a total of 3600 BTC (soon to be 1800 BTC) able to be mined globally each day.
It's an arms race. Your brand new bleeding edge miner will probably be obsoleted in a couple of months by something faster, which grabs more of those limited BTC, AND pushes up difficulty, which cuts into your potential earnings. It's possible in some cases that your brand new miner may not mine enough BTC to cover its original purchase price... even if you had 100% free electricity.