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A comment on Large-Scale Abuse of Contact Discovery in Mobile Messengers [pdf]. Parent comment

Re:Large-Scale Abuse of Contact Discovery in Mobile Messenge... by feanaro on Monday April 19, 2021 @07:00PM (#26868814)
What they mean is that there is a client/server separation. Truly decentralised systems don't have this distinction and only have communicating nodes. Though this is coming to Matrix too.
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Re:Large-Scale Abuse of Contact Discovery in Mobile Messenge... by kitkat_new on Tuesday April 20, 2021 @01:03PM (#26877365)
Seems arbitrary as clearly Matrix is decentralized despite having client/server separation.
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Re:Large-Scale Abuse of Contact Discovery in Mobile Messenge... by feanaro on Thursday April 22, 2021 @10:11AM (#26902962)
If you think about it in terms of network topology, you'll see it's not completely arbitrary. In fact, the long-term plan for Matrix is to explicitly support the fully decentralized topology by using Dendrite, where a client wouldn't need to connect to a dedicated server at all. Instead, each client is also a server.
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