--- date: 2021-07-31T19:30:00+02:00 weight: 1 authors: - cblte - creme --- # Why matrix as a chat system? There are many services and programs for instant electronic communication. Matrix was chosen because it has the following characteristics: - Open standard (no technical dead end) - Communication protocol for federated real-time communication (no isolated solution but like e-mail with worldwide connectivity) - Differentiated communication possible (1:1, multiple teams, topic-specific) - Decentralized, persistent and interoperable communication (no central control instances, connectable with other protocols and tools) - Data protection: end-to-end encryption standard in 1:1 conversations and (group) rooms, can be switched off in the latter - Web application + desktop client + mobile apps available - The contacts on your own cell phone are not automatically passed on to third parties (no address book upload) - Connection to existing authentication systems (e.g. TU Dresden) - Existing successful security audit - Autonomy and control: locally installable (server location TU Dresden) - Recognize the presence status - Active further development - Up-and-coming use by other scientific institutions (e.g. lots of German universities) Further informationen: https://matrix.org/faq/#intro Detailed explanation of technical terms: https://matrix.org/faq/#definitions Institutions of higher education (e.g. universities) with a Matrix service: