Building Decentralised Chat with Next.js
summary
A workshop demonstrating a decentralized chat built with Next.js that generates cryptographic keypairs in the browser for keypair-based auth, stores message content on IPFS and Subsocial while keeping only references on-chain, and requests sponsored tokens (energy) to pay on-chain fees. The live coding shows writing content to IPFS, creating on‑chain posts and subscribing to updates via RPC/websocket (send/receive demo), and discusses Next.js rendering modes and Vercel deploy, token/gas pitfalls, and challenges of end‑to‑end encrypted group chat.
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chapters (8)
- 0:00Decentralised chat with Next.js
- 27:34Web2 chat modules
- 36:58Live coding pause
- 45:19Blockchain setup
- 1:01:43User login tokens
- 1:20:14Sending messages to IPFS
- 1:30:40Q&A on blockchain fees
- 1:47:16Closing remarks
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