There was a mysterious sub on Reddit that had random encrypted messages being posted. I believe the original sub is private now but the sub that discussed it is

There was a mysterious sub on Reddit that had random encrypted messages being posted. I believe the original sub is private now but the sub that discussed it is still up, /r/Solving_A858. https://old.reddit.com/r/Solving_A858/ https://old.reddit.com/r/Solving_A858/