Build a simple encrypted messaging application with Sendbird Chat
summary
Builds a minimal React chat client using Sendbird UI Kit v2 and a small Express backend that brokers Sendbird access tokens and Virgil credentials (Express token broker). Uses Virgil’s e3kit to create E3 groups that map to Sendbird channels, encrypt messages before send and decrypt on render, and supports supergroup scale into the thousands of members. The recorded repo shows a working end-to-end encryption flow; the live demo encounters credential/setup errors and doesn’t complete on stage.
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chapters (11)
- 0:00Intro
- 1:24Agenda
- 6:30Start with basic chat
- 19:50Add backend
- 28:30Add login hook
- 33:20Add login method
- 36:34Add router
- 38:15Add provider
- 40:12Login
- 43:40Demo
- 51:12Adding credentials
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