It is technically centralized but with the option to self host the comments server. Given that the source code is out there for a minimalist comments server, th

It is technically centralized but with the option to self host the comments server. Given that the source code is out there for a minimalist comments server, that saves a ton of work for anyone who just wants to make a blog/social site and doesn't necessarily want to build a full fledged REST service for it.