Are those actually Grantcoins you're receiving or are those the coins from the "dummy" account on ekata.social. I receive those every day too, but I also received about 5000 GRT in January that was sent to my Grantcoin wallet. I was under the impression that GRT pays out quarterly to everyone that has signed up. In order to get them to send me those coins, I had to email them and tell them my wallet address. I only noticed that requirement in an email they sent me as I was looking back through it for the referal code. It isn't very clear on their website.

Here is what the email said (it's the email with the email your referal code is in);

There are two options for how to receive your Grantcoin:

Send an email to [email protected] with your Grantcoin wallet address where you want us to send your Basic Income and referral bonuses. We recommend this option for anyone who is already familiar with using cryptocurrency or ready to learn how to use it. Wallet software downloads and information about using Grantcoin wallets is on this page of our website: http://www.grantcoin.org/use-grantcoin/wallets/

Or, the Grantcoin Foundation can create a wallet for you and send you an encrypted email with the private key (a string of characters which provides access to your Grantcoin). You can import the private key into a wallet you set up anytime in the future. If you choose this option, you understand that our organization has access to your key until you transfer your Grantcoin to a different wallet. If we don't hear from you otherwise, this option will be automatically selected for your account.

Hope that clears things up a bit. I find their site really confusing for information. The idea is great but trying to get people to dig through and find the answers isn't really helpful for getting people to sign up. I can't even find where they say it pays out every three months on their site. Maybe it was in another email somewhere.