I got the same one 'SciDex meme competition' You can easily join and win SciTokens for yourself. For more details take a look here:
https://bit.ly/2JXLLXII also heard about this SciDexofficial meme competition. Much helpful for the investor to earn some good coins winning this meme competition. Anyways, I would like to get some more details on it. What would be the winning amount?