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> No protocol in the world can force anyone to delete anything from their own device. But they either do not sign the messages or allow repudiating the signatu
by progval 10mo ago
> No protocol in the world can force anyone to delete anything from their own device.
But they either do not sign the messages or allow repudiating the signatures. Matrix signs all events forever.
Matrix also makes the entire event history (minus message content depending on room configuration) available to servers on join, even if that server's users are not allowed to see it.
- wahern 10mo agoThese are distinctions without a difference. Events replicated across several independent Matrix servers are not meaningfully different than events broadcast across independent clients in terms of observability or repudiation.
- progval 10mo agoBut normally when you join a conversation and are not allowed to see previous messages, you don't see anything about them. A matrix server does.
- Arathorn 10mo ago> Matrix also makes the entire event history (minus message content depending on room configuration) available to servers on join The important bit is the bit in brackets: as you say, historical message content is not shared if the room's is configured not to share history.