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.