NostrLink

NostrLink is a lightweight Nostr chat client built with React + Vite. It supports:

• Nostr key generation/login (NIP-19)
• Global chat and community feed (kind 1)
• Direct messages (kind 4, NIP-04)
• Group chat (NIP-28)
• Media uploads (image/video/audio/voice) via Cloudflare R2
• Relay management and health checks
• Local key persistence

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English

Features

• Global chat and community feed (kind 1)
• Direct messages with NIP-04 encryption
• Group chat with NIP-28
• Media uploads (image/video/audio/voice) via Cloudflare R2
• Relay management (add/remove, latency check)
• Local key storage (nsec) and language preference
• Settings: address and private key copy

Requirements

• Node.js (LTS recommended)

Install

npm install

Run (dev)

npm run dev

Build

npm run build

Preview

npm run preview

Media uploads (Cloudflare R2)

1. Copy .env.example to .env and fill in the R2 settings.
2. Start the upload server:

npm run upload-server

3. Start the frontend:

npm run dev

Notes

• Default relay: wss://nos.lol
• Keys are stored in localStorage under nostr_nsec.

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中文

功能

• 全球聊天与社区动态（kind 1）
• 私信（NIP-04 加密，kind 4）
• 群聊（NIP-28，创建/加入/聊天）
• 支持发送图片/视频/音频/语音（Cloudflare R2）
• 中继管理（添加/移除、延迟检测）
• 本地密钥存储（nsec）与语言偏好
• 设置页：地址与私钥复制

环境要求

• Node.js（建议 LTS）

安装依赖

npm install

本地运行

npm run dev

构建

npm run build

预览

npm run preview

媒体上传（Cloudflare R2）

1. 复制 .env.example 为 .env 并填写 R2 配置。
2. 启动上传服务：

npm run upload-server

3. 启动前端：

npm run dev

说明

• 默认中继：wss://nos.lol
• 密钥保存在 localStorage 的 nostr_nsec 中。