http://hackeavw7lge3rj7vwfewaaid7akgmys2vlqggeirtorcg5g6zoawzqd.onion/notas/matrix.html
We have not investigated further, so let’s consider there is no freedom issue at all and we are only dealing with fully Free Software. Decentralizing through centralizing Matrix arrived with this plan to interconnect every existing IM and VoIP network through what they call Bridges [10], which could be seen as a centralizing hub where metadata could be analyzed, as well as the right place to try Person In The Middle Attacks .