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dMania is an app on the Steem blockchain where you can post memes, funny pictures and videos. Go to https://dmania.lol and try it 😊 .

How to sign up? I tried but it says logout current account ?

If you have a Steem account there is no need to sign up. Just log in with your Steem account.

+1 for that, I have too many accounts on lots of websites,that´s great news for me !

can I post old memes?