We had a great time getting to know fellow nostriches, exchanging ideas, learning from each other and collaborating.
Some of the demoes we saw include [proof of burn relays](https://github.com/spesmilo/notary), [noDNS](https://gitworkshop.dev/arjen@swissdash.site/no-dns) and an [MLS messenger](https://satsandsports.github.io/cashu_mls_chat/web). Feel free to link your demos in the comments below.
The event almost broke even in terms of cost thanks to the generous zaps we received. The venue costed us 800 fiat units and we received a total of 564940 SATs. Special thanks to ExFrog (nprofile…j86q) helping out with AV. Also special thanks to everyone that zapped us, especially btcplusplus (nprofile…5flv) and other large zappers.
As mentioned, there will be another nostrhackday on the 4th of October next year - just after BTC++
quoting## 🚀 Nostr Hackday Berlin: Build the Future! 🚀
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Join us in Berlin on **October 5th, 2025** (the day after BTC++) for a hackday dedicated to building a free and open internet on Nostr. This is a grassroots, non-profit event for and by builders.
**What to expect:**
* **Show & Tell:** Introduce a project you're passionate about.
* **Innovate & Collaborate:** Team up with others and hack on Nostr.
* **Demo Your Work:** At the end of the day, everyone gets 3-5 minutes to demo what they've built.
**Sign up:** https://nostrhackday.orangesync.tech/
**A Community-Funded Event:**
This hackday is a grassroots effort, made possible by the community. We're incredibly grateful to Fedi for sponsoring last year!
For this year's event, any zaps we receive will first cover essentials like the venue. All remaining funds will be passed on to attendees, so you can directly support the projects that inspire you.