You can read it here https://www.publish0x.com/boyka/coronacoin-breaking-news-lead-developer-exit-scammed-xkqmjr?a=l9avrPVaG1&tid=scam

The lead developer just dumped 50eths worth of coronacoins at market price, and the rest of the team is also exiting the project. If you have any coronacoins just sell them.