zakariahossain (25)in #earning • 7 years agoFairCoin Activates World's First Cooperative Blockchain - Introducing the Proof-Of-Cooperation Consensus (PoC)Blockchain Technology has revolutionized our world - and now, it gained another revolutionary feature.zakariahossain (25)in #earning • 7 years agoEarningHello Steemit! @zakariahossain. Its My First Post Let Me Introduce Myself