A team of 30+ experienced developers and blockchain enthusiasts could not find out that there is already a GIO coin which one is Graviex exchanges coin.
So that looks fake for me, until you proof you have such a big team
That's the only EOSIO-based coin using this symbol, and it was much discussed.
We understand your concerns, probably, there has never been a single digital project that wouldn't cause them. But there's not much to prove here - we can only show our work. You can visit githubs of the team members from the website and check their individual and collective performance. They have been working for a while and we are planning to have the MVP launched in January 2019. Its screenshot is already on the website, video review coming.