http://hackeavw7lge3rj7vwfewaaid7akgmys2vlqggeirtorcg5g6zoawzqd.onion/archivo/matrix.html
IP address of the user, which can give more or less precise geographical location information. The user’s devices and system information. The other servers that users talks to. Room IDs, potentially identifying the Direct chat ones and the other user/server. With default settings, they allow unrestricted, non-obfuscated public access to the following potentially personal data/info: Matrix IDs mapped to Email addresses/phone numbers added to a user’s settings.