DChat

A decentralized chat app built with React and Blockchain

Playground

CID: QmbLbDXumD3BPYLy6XGYXyCDisjYFr5QDLn6yESB123d9Z

Demo: https://ipfs.io/ipfs/QmbLbDXumD3BPYLy6XGYXyCDisjYFr5QDLn6yESB123d9Z

Development

yarn install

yarn start

Technologies

• React
• IPFS
• P2P Network

Features to Experiment

• 1-on-1 messaging
• Group channels
• Open channels
• Typing indicators
• Send and receive structured media
• Chat history
• Invitations
• Read receipts
• User precense
• User-to-user blocking

Challenges

How to associate peer ID with user identity?

Similar to TCP 3-way handshake, I need other users to confirm that I have successfully joined the room first via peer joined event, then other users will broadcast this peer ID. If it happens to be my peer ID, that means I have successfully joined. Now, I can broadcast my identity to everyone in the room