Cashu

We’re entering the final weekend of #NutNovember! 🏁 Hackathon submissions end on Sunday. Jump in and ship something!

We’re in the final stretch of #NutNovember. Submissions close on Sunday. There’s still time to jump in. ~1.5M sats are being awarded across six categories. If you’ve been thinking about building something with Cashu, now is the time.

⏱️ We’re in the final days of #NutNovember. If you’ve been sitting on the sidelines, now is the time to jump in. We’re awarding 1.5M sats across six categories on Sunday. Anything helps: PRs, Figma prototypes, docs, experiments. Build something and submit it.

✨ NUT NOVEMBER AWARD CEREMONY: December 3rd at 18:00 UTC. We're handing out 1.48 million sats to the winners. Announcing who won what live, showcasing projects, and highlighting some absolute banger submissions. Join us 👇 ⏰ Check your timezone: https://everytimezone.com/s/9b118e64 📺 Join here: https://meet.jit.si/nutnovember?config=startWithVideoMuted=true&config=startWithAudioMuted=true

9 days to go in #NutNovember and some of these prizes are getting juicy! Thanks for the donations, anon. Everything still possible. In the age of AI, it's all about inspiration, taste, and execution. Start your Bitcoin coding journey with Cashu today. Submit or donate below! https://nutnovember.org/

✨ New: A Cashu mint for Bitcoin-backed Ducat stablecoins. https://github.com/DUCAT-UNIT/unit-cashu-mint

💥 Tomorrow Cashu Dev Call with demos of submitted projects for our #NutNovember hackathon ⏰ 16:00 UTC Meeting link in comments

💥 Cashu Q3 progress updates are here! This quarter we highlight: - Libraries & wallet updates - Mint management tools - Decentralized private AI access - Bitchat - Cashu Design https://blog.cashu.space/cashu-highlights-q3-25/

Read: A team at StarkWare proposed a new NUT specification for integrating zero-knowledge programs in Cashu. This would allow arbitrary ecash spending conditions without revealing the script to the mint, maintaining excellent user privacy. More in our latest blog post. https://blog.cashu.space/bringing-zero-knowledge-proofs-to-cashu/

Cashu is bringing tap to pay to Bitcoin. Ecash travels from one device to another without Internet. Instant, privacy-preserving, peer to peer, built on open protocols. Join the Bitcoin UX revolution. https://blossom.primal.net/57bcc9b8643e26878a51616875e54732cc7a29c02c66eecf8455d283a3b87750.mp4

Cashu will bring tap-to-pay to Bitcoin.

The perfect Bitcoin wallet progression, all in one app: 1️⃣ Start with Cashu for small amounts 2️⃣ Upgrade to self-custody with Lightning 3️⃣ Secure your stack in cold storage Powered by nostr:nprofile1qyt8wumn8ghj7ct5d3shxtnwdaehgu3wd3skueqpzemhxue69uhky6t5vdhkjmn9wgh8xmmrd9skcqpqxnf02f60r9v0e5kty33a404dm79zr7z2eepyrk5gsq3m7pwvsz2s7szjpe.

join us https://www.youtube.com/watch?v=HJNa9Ih3haA

peer to peer ecash transactions in a nutshell 1 - alice sends ecash token to carol 2 - carol sends ecash to bob the mint 3 - bob verifies and checks for double-spending 4 - bob issues a new token to carol like physical cash, step 1 is instant and works without internet. https://blossom.primal.net/5acf53584ac8a5487246983896055066968d2316c35f22e4ff5a454954e8055f.mov

It's Nut November! 🌰 A month-long hackathon for Cashu builders with ₿400,000 in prizes (and counting)! Build, innovate, and ship through Nov 30. #NutNovember Check it out 👇 https://nutnovember.org