Integration is scheduled to begin with Txbit today. I will update with further developments and when users can expect to see us on the exchange. For those not in the loop, we won their August coin vote with a whopping 358 votes!
https://twitter.com/txbit_io/status/1167062600875728897
https://twitter.com/GridcoinNetwork/status/1167050042387173378
Txbit on CoinGecko: https://www.coingecko.com/en/exchanges/txbit
Note they are currently working with CoinMarketCap on integration.