🎄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!

🔗 https://athenut.com/

🎄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. https://blossom.primal.net/4c49db51edfa53acd9f7b1b67f66665f5b2b03a7e7febd71c5b162931cac9570.mp4

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/

Learn more👇

https://cashu4community.xyz

🎄It’s Day 9 of our Cashu Christmas calendar!

✨Cashu for Community Sovereignty

This project is using ecash to bring fast, private, offline payments to communities living under authoritarian regimes. It will train 10 communities to run their own Cashu mints and Lightning nodes.

🎄One Cashu project a day until Christmas. Today we’re at Day 8!

✨awesome-cashu

awesome-cashu is a curated, collaborative list of awesome resources to get started with Cashu. Loads of great projects. 100% open source. 100% nutty.

https://cashu-brrr-two.vercel.app/

🎄It’s Day 7 of our Cashu Christmas calendar!

✨Cashu Brr

With Cashu Brr, you can print a paper note with a QR code that holds redeemable Cashu tokens. Hand it to someone like cash and they can scan and redeem it right away, or the token can be stored and redeemed later.

Check out more here:

https://hashpool.dev/articles/what-is-hashpool/

🎄This December we’re highlighting 25 Cashu projects. Here is Day 6!

✨Hashpool

Hashpool is an accountless and privacy-preserving Bitcoin mining pool that uses Cashu ecash for payouts and accounting.

🎄It’s Day 5 of our nutty Christmas calendar!

✨Tollgate

nostr:nprofile1qyw8wumn8ghj7cn0wd68ytn0wfskuem9wdukuceww3jkx6p0qyv8wumn8ghj7mn0wd68ytnrdpskjmtp9e5kuen09uqzqyyk76lq5ntlpmxzma8d9jrg8u2ralypa6arannd4twjljn5clkvqt2ulw is a pay-as-you-go WiFi access system for open networks, powered by Cashu ecash. Users don’t need subscriptions, accounts, or passwords. Just pay and connect!

Big congratulations to all the winners, and thank you to everyone who participated, donated, and supported us.

All projects are now live on https://nutnovember.org/

You can see all the winners along with every entry, GitHub links, and project demos.

See you next November 🧡🌰

The Golden Nut

Our top award for Nut November, given to the project that stood out in scope, execution, and impact.

🏆 Winner: The Nutty Pill

A bitcoin education app, where ecash is locked behind an admin dashboard and the learner unlocks the sats by working through lessons and quizzes. Roughly 85 lessons across a range of topics, everything running locally with Cashu. Smart concept, strong execution. A well deserved grand prize.

Demo: https://thenuttypill.netlify.app

GitHub: https://github.com/MonkeyDGigi/The_Nutty_Pill

https://blossom.primal.net/7378885ee82d7ef981a41d449bffc20ddc9008ac553a90776168f939d3d983cb.mp4

Crowd Favorite

Voted on by the community!

🏆 Winner: Cashu Monopoly

Classic Monopoly, but the money is real Bitcoin. Buy in with Lightning, pot held in a Cashu wallet, winner takes the sats. A fun, educational way to introduce people to Bitcoin, Lightning, and ecash in one go.

Congrats nostr:nprofile1qythwumn8ghj7ct5d3shxtnwdaehgu3wd3skuep0qyt8wumn8ghj7etyv4hzumn0wd68ytnvv9hxgtcqypamkm463lnvk05npafep4x6gzfxthwcpa6cv7kzc5ppdnhc6g2kv2kjqmv!

Demo: https://cashu-monopoly.onrender.com

GitHub: https://github.com/bTCpy/monopoly/

https://blossom.primal.net/ff99e61f0672d343f7d234620e80e9e63e76f716cc24f1b3a5e578ecfe999754.mp4

Freshly Minted Nut

Awarded to the best project from a first-time contributor.

🏆 Winner: Taskify

A clean, powerful to-do app where you can attach ecash bounties to tasks, share boards over Nostr, customize your workspace, and use a built-in ecash wallet, receive notifications, relay management, and even an optional Bible reading tracker.

Huge debut. Big potential. Congrats nostr:nprofile1qy2hwumn8ghj7mn0wd68ytnyv96xztngv96hxqguwaehxw309aex2mrp0yhxyet5vyhxvmm8w3uhqefwvdhk6qpqgswd2nq95k5ns5lunfnm8avc9fgxg9c564lpqudkc495ylufek6spkst3p@

https://blossom.primal.net/1ac912204c95deab624452b1e6946df20a521e51d88a6e02406e0f7c9d0532c9.mp4

Best Design Nut

Awarded to the project with the cleanest UX, or strongest visual execution.

🏆 Winner: Nostrpay

A child-friendly learning app that integrated offline-first Cashu payments to an educational environment. Parents connect a Lightning wallet, kids mint and send ecash, and the entire experience is wrapped in a playful, thoughtful, beginner-friendly interface.

Demo: https://x.com/Anipy1/status/1994051972157112509

GitHub: https://github.com/Unit-Matrix/nostrpay/tree/cashu-impl

https://blossom.primal.net/bef875f2e31c61e3191b4a3923c9a5d6af1867447202b15cd852a1bd57e130e5.mp4

The Nuttiest Idea

This one celebrates the wildest or most unexpected concept.

🏆 Winner: On-Chain Disc Golf

A disc golf scorekeeper with built-in Bitcoin payouts. No spreadsheets. No IOUs. No “Venmo is being weird.” Just: pay in when you start, get paid when you finish. Built on Nostr, powered by ecash. Massive respect.

Demo: https://on-chains-disc-golf-982604035840.us-west1.run.app

GitHub: https://github.com/OnChainDiscGolf/app

Congrats nostr:nprofile1qys8wumn8ghj7cnfw33k76twd4shs6tdv9kxjum5wvhx7mnvd9hx2tcpypmhxue69uhkummnw3ezuetfde6kuer6wasku7nfvuh8xurpvdjj7qpqxu4eakfzwwrxj92hmhxkqz730ryy9vkk5w3l4su73cpv5taeputqwvk46h!

https://blossom.primal.net/f281d3a6cac8552e0f41a94d1a4d0601ba7067b1c8b6728fa8378bf05cfe512c.mp4

Hardest Nut to Crack

This award goes to the most technically impressive, deeply engineered contribution of the month.

🏆 Winner: Pay to Blinded Key (P2BK) using ECDH

Demo: http://nostrly.com/cashu-nutlock

Github: https://github.com/cashubtc/cashu-ts/pull/377

Congrats nostr:nprofile1qy2hwumn8ghj7etyv4hzumn0wd68ytnvv9hxgqgdwaehxw309ahx7uewd3hkcqpqemq0gngdvntdn4apepxrxr65vln49nytqe0hyr58fg9768z5zmfqsd2lex!

Nut November is officially wrapped up. We had 23 submissions this year, 12 from first-time contributors. Grateful for everyone who jumped in and made our first Cashu hackathon special.

Here are your 2025 Nut November champions 🏆👇

Find the GitHub repo here:

https://github.com/d4rp4t/BTCNutServer?mc_cid=bf3feffb71

🎄Highlighting 25 Cashu projects this December. Day 4 is here!

✨ BTCNutServer

BTCNutServer is a BTCPay Server plugin that lets merchants accept payments using Cashu ecash. It’s in early beta, but a really exciting step toward making Bitcoin more useful for merchants. https://blossom.primal.net/9e974b953cede2b2694d722223f028bd32936345c021f31d09c0a83527262aa3.mp4

The Nut November Award Ceremony starts in 1 hour.

Join us for live winner announcements, project showcases, and 1.9M sats in prizes.

See you at 18:00 UTC.

Award ceremony details 👇

⏰ Check your timezone: https://everytimezone.com/s/9b118e64

📺 Join here: https://meet.jit.si/nutnovember?config=startWithVideoMuted=true&config=startWithAudioMuted=true

Bitcoin tap to pay is coming, and it feels better than Apple Pay.

https://video.nostr.build/4aa5040065eb5c0123f8354ab1c4091a760d884cbf1d0406b991af1e0d0385ce.mp4

The Nut November Award Ceremony is tomorrow!

We’ll be announcing every category winner live, showcasing projects, and handing out 1.9M sats in prizes.

Join us at 18:00 UTC

Award ceremony details 👇

⏰ Check your timezone: https://everytimezone.com/s/9b118e64

📺 Join here: https://meet.jit.si/nutnovember?config=startWithVideoMuted=true&config=startWithAudioMuted=true

https://docs.cashu.space/

🎄Until Christmas, we’re spotlighting one Cashu project per day. Today is Day 2.

✨docs.cashu.space

docs.cashu.space is our main documentation page. It’s great for anyone who wants to learn more about the Cashu protocol or start their own Cashu project.

https://blossom.primal.net/5390293856575ca5ceae8d53c03930b4fb552367e64e6605e1ea83f89ce335bc.mp4

Nut November brought in 20 submissions with12 being first-time contributors.

We’re announcing the winners live this Wed December 3rd at 18:00 UTC during the official Nut November Award Ceremony.

1.48M sats going out to the winners plus a full showcase of standout projects.

Join the official award ceremony:

⏰ Check your timezone: https://everytimezone.com/s/9b118e64

📺 Join here: https://meet.jit.si/nutnovember?config=startWithVideoMuted=true&config=startWithAudioMuted=true

Visit npub.cash or find the GitHub repo here:

🔗 https://github.com/cashubtc/npubcash-server

Stay tuned and unwrap what’s happening in the Cashu ecosystem!

🎄Ready for ecash season?

Each day for the next 25 days until Christmas, we’ll highlight a different Cashu project.

✨Day 1: npubcash

npubcash turns your Nostr npub into a Lightning address using Cashu. No sign-ups. Self-hosted. Any Cashu wallet can use it out of the box.

Nope, we'll take the latest state!

Nut November hackathon wraps up tonight at 12:00am UTC.

Ship what you have and get it in. #NutNovember