Hey you its not a scam I invested 300 doge and Now I have one dogeminer v1.2 which is 5000 doge and 6 dogeminer v1.0 which is about 300 doge. I will show you my transaction proof to you but I can not promise how long it work but its giving doge. and it is the site is related to fastdoge.cc , So Invest in it but not blindly.
Dogecoin Mining online. Received: 615.1 DOGE - Transaction Receipt (TXID):
https://goo.gl/s1bdEL Earn Dogecoin, visit-dogeminer:
https://goo.gl/mbTJGuImage Proof
https://imgur.com/a/rflb9r9