Combating abuse in Matrix - without backdoors (Matrix blog)
This
Matrix blog entry describes a planned reputation-management system
that, it is claimed, accomplishes some of the same goals as government
backdoors without the need to compromise end-to-end encryption.
"Just like the Web, Email or the Internet as a whole, there is
literally no way to unilaterally censor or block content in Matrix. But
what we can do is provide first-class infrastructure to let users (and
room/community moderators and server admins) make up their own mind about
who to trust, and what content to allow. This would also provide a means
for authorities to publish reputation data about illegal content, providing
a privacy-respecting mechanism that admins/mods/users can use to keep
illegal content away from their servers/clients."