GraphenTech is based in Rotterdam in the Netherlands and aims to become a worldwide graphene producer. The team is composed of about thirty international professionals expert in innovation, blockchain and graphene. The 77G token is a security token to participate, support and benefit from the upcoming revolution of graphene. GraphenTech, 77G’ producer, is an industrial company that aims to become a worldwide graphene producer. More than being just a graphene provider, GraphenTech will revolutionize the graphene market by introducing his own graphene-based crypto currency, 77G.