Very Bad. They took my coins with no shame. I bought some telos coins on their exchange. On 11th August 2020, I made a withdrawal of close to 10,000 telos coins to address GLHqPV48Q1yLEeMAJNWFTJvra4eM4msxPY. After many hours, the coins did not arrive to my wallet, and there was no sign of them on the telos block chain. That definitely means they did not leave the exchange. I opened a ticket to Graviex customer service and received the following answer" According to your account history , thiSee full review