Tap to pay.
With Bitcoin.
Cashu
npub17fzk...9yxv
Open-source Chaumian Ecash protocol for Bitcoin
https://cashu.space/
💥Join us this Thursday, January 29, for our first Cashu dev call of 2026!
⏰ 16:00 UTC
Meeting link in the comments👇 

Starting the year with a blast!
Cashu, two Cashu projects @routstr and @TollGate , Shakespeare from our friends at @Soapbox, and many other amazing projects are featured in the @HRF Freedom Tech Recap 2025!

Human Rights Foundation
Top 15 Freedom Tech Projects of 2025
Looking back on 2025, financial and digital repression under authoritarian regimes continued to grow. But so did the innovation pushing back agains...
Since December 1st, we’ve shared one Cashu project a day, from libraries to wallet integrations and other use cases. It’s amazing to see how active Cashu is and how the ecosystem keeps growing! Huge shoutout to all contributors and the Cashu core team. Excited for what’s next!


🎄Day 24!
✨sugardaddy.cash
A bill-splitting app that uses Cashu to aggregate payments.
1. Scan any receipt and let AI read it for you.
2. Share the bill with your friends.
3. Everyone picks what they ordered.
4. Each person pays their share via Lightning or Cashu.


🎄It’s Day 23 of our Cashu Christmas calendar!
✨Zeus
Zeus is a self-custodial Lightning wallet with Cashu integration. New users can receive ecash without needing to open a Lightning channel. An excellent example of a graduated wallet experience. 

🎄Day 22 is here!
✨CDK
CDK is one of our biggest projects: a Cashu library in Rust that makes it easy to build Cashu wallets and custom mints. A major recent upgrade adds mobile bindings for Android and iOS in Kotlin + Swift, Flutter, Golang, Python, and Webassembly.


🎄Day 21 of our Cashu Christmas calendar is here
✨Macadamia
Macadamia is a native Cashu wallet for iOS.
Clean.
Minimalist.
Simply beautiful.


🎄Just 5 more days until Christmas!
✨Orchard
Orchard is a self-hosted web application for Cashu mint management: observe transactions, deposits, and withdrawals, rotate mint keysets, and more. All in one place with a beautiful interface.
🎄It's Day 19 of our Cashu calendar!
✨402.markets
402.markets is a marketplace for paid APIs. Pay and get paid with Lightning or Cashu. API metadata and discovery information are stored on Nostr.
✅ No subscriptions
✅ Instant
✅ Censorship-resistant


🎄Christmas countdown continues! One Cashu project a day. Today is Day 18!
✨0xchat
0xchat is a secure chat client built on Nostr, with an integrated Cashu wallet. Send ecash to your contacts just like you send a message. Instant. Private. Nuts.
🎄It’s Day 17 of our Cashu calendar!
✨ CypherTap
CypherTap is a single button component that lets you add a Cashu wallet to any web app. It’s based on NIP-60, so your wallet stays synced across apps. It works great on both desktop and mobile.


🎄One Cashu project a day until Christmas. Today is Day 16!
✨spacenut
Stash nuts in space with spacenut. How many coins can you collect before the squirrel catches you?
🎄Only 10 more days until Christmas!
✨redeem.cashu.me
With redeem.cashu.me, you can redeem Cashu ecash tokens directly into your Lightning wallet via Lightning address or Bitcoin Connect. Best part: you can redeem ecash emojis.


🎄Day 14 is here!
✨Nostr.blue
Submitted to our #NutNovember hackathon, Nostr.blue is a full-featured Nostr social client that includes a NIP-60 Cashu wallet. It’s written in Rust and compiled to WebAssembly, allowing it to run directly in the browser.
🎄We open the 13th calendar door!
✨Coco
Coco is a TypeScript library based on cashu-ts that comes with “batteries included,” handling wallet-specific state transitions and providing its own database. Building a Cashu wallet has never been easier.
🎄Day 12 of our Cashu calendar!
✨CypherFlow
CypherFlow provides privacy-preserving, decentralized access to AI using ecash and Nostr. Users pay per message via an integrated ecash wallet with Lightning support. Chats are end-to-end encrypted. No account or subscription needed.


🎄Sats season continues with Day 11!
✨Cashu Blog
Want to stay updated on what's happening in the Cashu ecosystem? Check out our blog for quarterly updates and deeper project insights. A great way to stay in the loop! 

🎄It is Day 10 in our series of 25 Cashu projects this December!
✨Athenut
Athenut is a privacy-preserving search engine powered by Kagi search and Cashu ecash, letting you perform premium searches without giving up your privacy. No account or sign-up needed.
New blog post!💥
Our designer Erik looks back on our #BitcoinforSignal campaign: why we started it, what we aimed for, and how the design and branding came together. A brief read with a peek behind the scenes.
https://blog.cashu.space/bitcoin-for-signal-a-campaign-retrospective/
https://blog.cashu.space/bitcoin-for-signal-a-campaign-retrospective/