Guaranteed a must have mining site. Bitprominer is a high rate of free or invested BTC mining without a doubt. Can't hurt to follow the link at the bottom of this post. Input your BTC deposit address and mining 4 digit pin and click button says start mining. 0.0006 BTC a day free and version 6 is a whooping 0.5 BTC a day. Minimum withdraw is 0.0015 and on lightening network couple hours and its free and yours....