Xkey is a USB device that allows you to mine bitcoin and other cryptocurrencies on any unused cpu or mobile phone.
One of the main characteristics is its security and speed, since its objective is to find the nearest node to start its work.
China is the country with the most Bitcoin miners in the world, more than 50% of these miners are from this country.
Its profitability is guaranteed and it has technical support. Your cost per unit is $ 18.00 and you can pay by paypal or western union. If you buy by quantity, the cost per unit will be $ 14.00.
Manufacturers and guarantee profits between $ 6 to $ 9 per month.
For more information visit the official site: http://www.szntet.com
You can read this article in Spanish in my Magazine: https://perumira.org/xkey-la-pequena-minera-usb-de-criptomonedas/
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