Pi is a new and one of few coins which you can easily mine on your phone for free without your battery being drained. Pi is being developed by a group of Stanford PhDs, and is a very growing coin with 1.25 million owners so far and is still expanding. All you need to do is confirm you would like to continue mining every 24 hours, and sign up with someone's referral code.
referral code: mksdznk
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