BIT COIN COULD MINING WEBSITE WITHOUT REF AND INVESTMENT

Dear Here am providing bit coin mining websites without investment 7 months of search and tested all but blow are the best among all

1.) https://northmine.net/?ref=55863

2.) https://stradex.biz/?ref=tekumaninagaraj

1. https://satominer.io/101711
   BTC.com create wallet then open abovelink

4.) https://multimining.website/beta/signup?referral=1018
Code 1018

5.) https://get.cryptobrowser.site/4761941