You're looking at it the wrong way. What you want is worldwide adoption, you can't get it by only uploading on sites that no normie has ever heard of.
Most normies aren't going to search for what is the hive blockchain on 3speak or vimm. They're going to search about the hive blockchain on google and youtube, preferably YouTube because it's a trusted site, and people want to watch and/or listen.
The reason why people use medium is it's a clean interface, and known to a lot of people.
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