Been 
lately , it is possible or profitable to use USB devices to mine crypto? And lastly what’s a good software or mining pools would you recommend?
Many thanks
its not profitable.
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I havent looked into USB mining, but does it specifically have to be plugged into a PC or does the USB have its own wifi that you can configure? If they are wireless I would get a 12v battery and a 12v to 240v inverter (I have one thats got a USB port) and plug it into that, and hook up a solar panel to the battery. Then at least you have that cheap infrastructure you can use on something else if you want and the only $ risk is the USB miner
Edit: Just looking and they use a lot more power than I was expecting, guess it depends on which one.
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