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Showing content from https://github.com/libp2p/universal-connectivity below:

libp2p/universal-connectivity: Realtime decentralised chat with libp2p showing ubiquitous peer-to-peer connectivity between multiple programming languages (Go, Rust, TypeScript) and runtimes (Web, native binary) using QUIC, WebRTC and WebTransport

Realtime highly decentralised chat app.

Showcasing libp2p's superpowers in establishing ubiquitous peer-to-peer connectivity in modern programming languages (Go, Rust, TypeScript) and runtimes (Web, native binary).

On top of this strong foundation, it layers a GossipSub: A Secure PubSub Protocol for Unstructured Decentralised P2P Overlays. By analogy, an event broker with distributed brokering, or a distributed PubSub protocol.

This is the gossip event protocol that powers Filecoin and Post-Merge Ethereum.

Some of the cool and cutting-edge transport protocols used by this app are:

WebTransport
WebRTC
WebRTC-direct
QUIC
TCP

Package Description WebTransport WebRTC WebRTC-direct QUIC TCP js-peer Browser Chat Peer in TypeScript ✅ ✅ ✅ ❌ ❌ node-js-peer Node.js Chat Peer in TypeScript ✅ ✅ ✅ ✅ ✅ go-peer Chat peer implemented in Go ✅ ❌ ✅ ✅ ✅ rust-peer Chat peer implemented in Rust ❌ ❌ ✅ ✅ ✅

✅ - Protocol supported ❌ - Protocol not supported

Uses the GossipSub PubSub protocol for decentralised messaging

There are two ways to connect to a peer:

With a PeerID using peer routing (adds a step to resolve the multiaddr for the PeerID), using the IPFS/Libp2p DHT, e.g. 12D3KooWLMySi3eEWscUnKmMCYRSXL3obYJ4KNimpShJK6shUy2M
With a multiaddr directly (skips the peer routing step), e.g. /ip4/127.0.0.1/udp/64434/webrtc/certhash/uEiA_tkndZQWf7jyFqgCiwH_CqsS7FTWFTb6Px8MPxxT9gQ/p2p/12D3KooWLMySi3eEWscUnKmMCYRSXL3obYJ4KNimpShJK6shUy2M

Load the UI, and enter the multiaddr into the UI. Ensure that it includes the peerID, e.g./ip4/192.168.178.21/udp/61838/quic-v1/webtransport/certhash/uEiCQCALYac4V3LJ2ourLdauXOswIXpIuJ_JNT-8Wavmxyw/certhash/uEiCdYghq5FlXGkVONQXT07CteA16BDyMPI23-0GjA9Ej_w/p2p/12D3KooWF7ovRNBKPxERf6GtUbFdiqJsQviKUb7Z8a2Uuuo6MrDX

Getting started: Browser JS

Run npm install:

2. Start Next.js dev server

Start the dev server:

This will automatically connect you to the bootstrap nodes running on bootstrap.libp2p.io.

To explore more advanced configurations if you e.g. want to set up our own network, try:

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