1. [client] go to a specific URL
2. [server] authenticate and return a JWT token that only allows client from step 1.
3. [client] connects to the other phone
Alternatively, peerJS or DIY WebRTC with QRCode
1. [client] go to a specific URL
2. [server] authenticate and return a JWT token that only allows client from step 1.
3. [client] connects to the other phone
Alternatively, peerJS or DIY WebRTC with QRCode