I found this project is a scam
Website : https://dogegold.site/
They posted on twitter that they will be listed on Mercatox but all are fake pictures
https://twitter.com/Doge_Gold_Coin/status/1154605953003606016  >> They Fake Deposit DGC on Mercatox. While Mercatox did not add DGC on Mercatox why they can deposit DGC and have DGC icon? >>> SCAM FAKE DEPOSIT

https://twitter.com/Doge_Gold_Coin/status/1152239192061014016 >> They faked email from Mercatox, It's easy to edit and got a scam fake picture

If you and send ETH to their contract address, all your ETH will be lost.