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by mobiletelephone 3224 days ago
Because the threat model is different. Why would your friends and colleagues in a group chat want to tinker with the order of messages? Just trust a sender's timestamp, provided it's within X minutes.
1 comments
EGreg 3224 days ago
The idea is that you never trust input from other clients.

If I am playing my friends in video games then what guarantee do I have someone isn't cheating?

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