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Message Delivery: End-to-End
Follow one encrypted chat message from sender to server to recipient, including receipts and offline delivery.
Elena (Sender)
Composing
Server
Idle
Nikos (Recipient)
Idle
Step 1 / 10Message Composed
Elena types "Kalimera!" and taps send. Before the network gets involved, the app packages the message and encrypts it locally with keys that only Elena and Nikos can use.
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