Andrey Zharikov, an independent crypto currencies researcher expalains the situation around Worldcore om his YouTube channel, there's also his interview with the Worldcore's CEO Alex Nasonov - Wordlcore has nothing to do with Pavel Krymov except for the advertisment banners bought on the Krymov's forum. And that's all.
More here:
https://www.youtube.com/watch?v=0TOc9JdshOM