BIG WEEKLY REFERRAL CONTEST!

Invite users in MiningBTC using your referral link. Contest begins on Monday 08.07 and ends on Sunday 08.13. Get 1 point every time your new referrals upgrades MiningBTC machine.
There are 3 prize:

1-st 0.5 BTC
2-nd 0.3 BTC
3-rd 0.1 BTC

https://www.miningbtc.today/contests

Good luck!