@Johnny The DCN Chat is production ready, you can use it as a WhatsApp replacement. The only issue it has, is that Notifications don't work properly on every platform, but this is also thanks to IOS limitations. Although, you can get Notifications, once you open DCN. Here a video how it works:

Decentral Ninja

DCN is a censorship resistant, end-to-end encrypted, serverless WEB3.0 Chat to communicate anonymously through decentralized networks. Using CRDTs ...

The matter.js/Dom physics aka. DCN-World/DCN-Game platform is based on the same code the Chat runs on. Here is a very early demo:

GitHub

GitHub - Weedshaker/event-driven-web-components-matter-js: Use Matter.js Physics Engine in the DOM with Web Components in an Event Driven Architecture

Use Matter.js Physics Engine in the DOM with Web Components in an Event Driven Architecture - Weedshaker/event-driven-web-components-matter-js

/ https://weedshaker.github.io/MatterDom/src/index.html?room=Testo&webrtc-url=wss%3A%2F%2Fwebrtc-trystero.ninja%2F . This example with Trystero runs on bittorrent, nostr, etc.