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Cashu.me

Cashu.me is an open-source progressive web application that acts as a Cashu ecash wallet for Bitcoin-related payments and mint-connected fund management. It runs in a browser, stores keys and tokens locally in IndexedDB, and has documented packaging paths for mobile and desktop apps.

Explore the practical guide ↓

Independent OpenViST project profile, based on linked sources.

Cashu.me — OpenViST project profile in Wallets.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Use Cashu.me when a Cashu wallet is needed for browser-based ecash management, Lightning payments, multi-mint payments or a self-hosted deployment.

Who it is for

  • Cashu users managing ecash through a web or installable wallet
  • Developers building or self-hosting a Cashu wallet interface
  • Bitcoin users working with Cashu mints and Lightning payments

Documented uses

  • Send, receive, create, scan and redeem Cashu ecash tokens
  • Pay and create BOLT11 invoices and use BOLT12 offers
  • Deposit and withdraw on-chain bitcoin where supported by a mint
  • Manage funds across multiple Cashu mints
  • Back up or restore wallet state with a 12-word seed phrase
Before you choose

Requirements & limits

The repository describes Cashu.me as free and open-source under the MIT license. It is documented for web/PWA use, Android and iOS through Capacitor, desktop through Electron, and browser-extension packaging. Local development requires Node.js >= 22.4 and npm.

  • Wallet keys and tokens are stored locally in browser IndexedDB, according to the project README.
  • On-chain deposits and withdrawals depend on support from the connected mint.
  • The application can connect to multiple mints and supports NUT-15 multinut payments.
  • Self-hosting requires Docker for the documented quick start; reverse-proxy hosting needs SPA fallback and service-worker headers.
  • The repository is TypeScript-based and provides Vitest, Playwright, ESLint and Prettier commands for development workflows.

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

Source-based practical guide

Self-host Cashu.me with Docker

Start a local Cashu.me wallet instance from the public repository.

Before you start

  • Git
  • Docker and Docker Compose

Steps

  1. Clone the cashubtc/cashu.me repository.

  2. Change into the repository directory.

  3. Run docker compose up -d.

  4. Open the wallet at http://localhost:3000, or place it behind a reverse proxy using the project’s self-hosting guidance.

Expected outcome

A self-hosted Cashu.me wallet is made available locally on port 3000.

Guide limitations

  • The documented quick start does not describe mint configuration, wallet funding or transaction execution.
  • A reverse-proxy deployment requires a history-mode fallback to index.html and appropriate service-worker headers.
Documentation 1 ↗
Source-based practical guide

Prepare Cashu.me for local development

Install the project dependencies and start its development server.

Before you start

  • Node.js >= 22.4
  • npm

Steps

  1. Clone the cashubtc/cashu.me repository and change into its directory.

  2. Run npm install.

  3. Run npm run dev to start the development server.

Expected outcome

A local Cashu.me development instance is started with hot reloading.

Guide limitations

  • This recipe covers development setup only; it does not document production deployment or a completed payment flow.
Documentation 1 ↗
Evidence and transparency

Sources & review

Official repository ↗
Source record details
Source availability
Active
Sources checked
3 October 2026
Original website title
cashubtc/cashu.me · Official homepage title · retained in its source language
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