To sign up, click on one of the referral links at the bottom on this post body, and you will be assigned a random referrer.
To add your own referral code to the pot, go to your account settings and paste the code on the referrals page, under Bit Gold. Thought this would be a good way to introduce the referral system to those who did not know about it. We will be adding additional retailers over time, feel free to contact me with suggestions.
Appears to be another digital currency, but backed by gold, they are also listed on the TSXV.
I signed up in the past, can confirm it seems to be legit. You get your referral bonus after 60 days to ensure that the referral is real.