Here is the technical documentation for chat:
- Crypto describes the use of cryptography in chat.
- Exploding Messages explains the technical details of exploding messages.
- Link Previews discusses how privacy is respected when posting URLs that can be previewed inline.
- Location Sharing discusses how the location sharing feature is implemented.
- Coin Flip describes the /flip coin flipping protocol.
- Phone Numbers and Emails describes how users can start conversations with phone numbers or emails.