VRChat

 VRChat  is a social Virtual Reality silo, built on the Unity engine, which provides in-person interactions in a virtual space.

History
In July 2022, they alienated a large portion of their userbase by rapidly rolling out Easy Anti-Cheat, which had the result of disabling many users' accessibility plugins. In addition, their mysterious funding model and their search for in-world currency (which might include blockchain technologies) has been a source of concern for many.