Chat

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.