Digital Currency

**Thank you for your interest in our meetup. Due to the venue’s capacity, registration is now closed.** We appreciate your support and look forward to seeing you at future events. __________________________________________________ Join us on February 17 as **Superhuman’s Data Engineering team** shares examples of **how they scaled from a writing assistant to an agent platform**, unified analytics and ML data, and migrated core systems without slowing product delivery. ✅ **Registration**: Closed 🚀 **Enabling Rapid Experimentation: Unifying Analytics and ML Data in Databricks** Enabling teams to rapidly experiment with new AI models requires breaking down silos between analytical data and ML training datasets. At Superhuman, we consolidated both into Databricks as we scaled from a writing assistant to an agent platform. In this talk, we will: * Share our journey from our fragmented data systems to a unified platform in Databricks * Walk through design choices on how we organize Workspaces, Unity Catalog, and data ingestion * Explain how we apply and manage our privacy policies, governance, and access control 🚀 **Rebuilding the Engine: Migrating Data Systems While Keeping Products Moving** During this talk, we'll explore how to migrate core data systems while maintaining product velocity amid organizational and architectural change. We’ll cover: * The migration philosophy behind translate vs. transplant, and when each approach makes sense * Key data validation challenges encountered during system migrations * How to scope migration efforts realistically under time and delivery pressure * Architectural trade-offs and lessons learned from high-impact decisions **About Speakers**: **[Niels van Kaam](https://www.linkedin.com/in/niels-van-kaam-aa731768/)** is a tech lead for the ML Data team at Superhuman, where he’s building the data foundation for the company’s transition from a writing assistant to an agent platform. Previously, he worked on large-scale data systems for ad-tech at Amadeus Berlin and on geospatial applications for startups in the Netherlands. **[Dave Heberer](https://www.linkedin.com/in/dave-heberer/)** is a software engineer at Superhuman with nearly 25 years of experience building data infrastructure across major tech companies. His background includes work at Microsoft, Tableau, and Facebook, spanning operating systems, computer vision, gaming platforms, and large-scale data and analytics systems. **💥 Who should attend?** (Data) Engineers making design decisions amid organizational change and rapid product development. **Agenda:** ✨ 18:30–19:00: Registration and networking ✨ 19:00–20:00: Talk ✨ 20:00–21:00: Mingle with our team **✅ Where:** In-person, Superhuman Berlin hub **✅ When:** Tuesday, February 17 **✅ Language:** English ✅ **Registration**: Closed **The event is free. Registration is mandatory**. Due to a limited number of seats, the invites will be sent to a limited number of interested guests on a first registered, first invited basis. Please check your inbox for a confirmation email about your attendance.

***Note:*** *We receive bookings from many different platforms, so you can expect a lively group with people joining from all over the world. When you join the **Original Athens Pub Crawl**, you’ll be part of a fun, social crowd ready to explore the city together.* ### Original Athens Pub Crawl – Explore Athens by Night: Looking for the best way to experience Athens nightlife? The **Original Athens Pub Crawl** is the ultimate evening adventure for travelers who want to explore the city after dark, meet new people, and enjoy an unforgettable night out. Perfect for solo travelers, couples, and groups, this crawl takes you through some of Athens’ most exciting nightlife districts, mixing popular venues with hidden local gems. Led by friendly local hosts, you’ll discover Athens in a whole new light—through its buzzing atmosphere, music, and social energy. Expect a night filled with fun activities, interactive games, and plenty of opportunities to connect with fellow travelers from around the world. Whether you’re here for one night or a full holiday, the Original Athens Pub Crawl guarantees a memorable evening of laughter, culture, and new friendships. **Highlights:** * Experience Athens nightlife with local hosts and fellow travelers * Explore a mix of lively venues, social spots, and hidden gems * Join fun games and activities that keep the energy going all night * Meet new friends from across the globe in a relaxed, friendly setting * A perfect choice for solo adventurers, groups of friends, or party lovers Make your trip to Athens unforgettable—join the **Original Athens Pub Crawl** and dive into the city’s vibrant night scene!

We are back in the c-base! Do you already run NixOS and want to talk to other people or want an introductory session with some NixOS users. Just bring your machine! Usually there are no topics, we just sit in front of our computers, talk about stuff, debug some problems or review some PRs on nixpkgs. There are drinks usually available from the c-base bar. If you can't find us. just ask around or ask in irc (#krebs on hackint)

**Note:** *We receive bookings from many different platforms, so you can expect a lively group with people joining from all over the world. When you join this tour, you’ll be part of a fun, social crowd ready to explore the city together.* Get ready for an unforgettable night out in Berlin! Join The Original Berlin Pub Crawl and dive into the city’s legendary nightlife — from buzzing bars to hidden underground clubs. This is the Berlin experience you don’t want to miss. Your night starts with a warm welcome shot and a friendly local guide who knows every hidden corner of Berlin’s party scene. You’ll explore some of the city’s most exciting bars, enjoy exclusive drink specials, free shots at every stop, and meet fellow travellers from around the world. As the night goes on, we’ll lead you straight to one of Berlin’s top nightclubs — where you’ll skip the line and dance until dawn. This isn’t just a pub crawl — it’s a social adventure through Berlin’s most electric neighbourhoods, filled with laughter, music, and new friends. **✅ What’s Included:** * Friendly local nightlife guide * Free welcome shots at each venue * Exclusive drink deals & discounts * VIP entry to one of Berlin’s top clubs * A fun international crowd **🌟 Highlights** * Discover Berlin’s best bars and hidden party spots * Experience the authentic Berlin nightlife scene * Meet travellers and locals from around the world * Enjoy free drinks and skip-the-line club entry * Dance the night away in true Berlin style

* **NEW IG ACCOUNT: [@neurocrafting.berlin](https://www.instagram.com/neurocrafting.berlin?utm_source=ig_web_button_share_sheet&igsh=ZDNlZDc0MzIxNw==) (ﾉ◕ヮ◕)ﾉ\*:･ﾟ✧** Calling all neurodivergent individuals! Are you tired of starting hobbies that you never seem to finish? Join us for an evening of guilt-free creativity where there is absolutely no pressure to complete anything. This event is designed to be a safe space where you can freely express your creativity without fear of judgment or criticism. We will have a variety of crafting supplies available including paint, yarn, crochet needles, beads, coloring books, origami paper, markers... However, feel free to bring your own supplies or current projects if you'd like to work on something specific. **There is a donation of a minimum of 4-5 euros to cover the materials and space.** In case you wish to pay via paypal: neurocrafting.berlin@gmail.com

Immerse yourself in the genuine vibe of Warsaw's nightlife with this pub crawl. Kick off the party at the Shot Gun bar. Mingle with other guests, setting the tone for the night. Follow your guides for a night filled with free shots, exclusive deals at hotspots, and complimentary entries. As the city transforms with the allure of the night, see Warsaw unfold its musical, culinary, and lively nocturnal charm. Journey the city's beating heart, hitting up three authentic bars. Upgrade your experience by choosing an hour-long open bar (at extra cost.) Whether salsa is your groove or you're just up for a good time, expect to find yourself dancing by the end of the night. To cap off this adventure, head to a carefully chosen nightclub where you can skip the long lines with a VIP entrance.

Wir bieten allen Interessierten die Möglichkeit, mit Elektronik zu basteln. Workshops und Vorträge zu verschiedenen Themen rund um Elektronik und Software sind willkommen. Von Arduino bis zu komplett selbst entwickelten High-End Schaltungen sind wir für alle kreativen Ideen offen. Wir haben auch Gruppen rund um das Nähen, Programmieren, Retro Computer. Wir treffen uns immer am Dienstag und am Freitag ab 18:00 Uhr. Egal ob Anfänger oder Profi – hier seid Ihr jederzeit Willkommen. Ihr könnt mit anderen fachsimpeln oder auch mit unserer Hilfe Eure ersten elektronischen Gehversuche starten. Wenn zeitgleich in den vorderen Räumen Workshops oder Vorträge stattfinden, kann hinten Werkstattbetrieb stattfinden.

English, see below. *** Willkommen beim Bitcoin Meet-up im Café Holzmarktperle (Holzmarktstraße 25). Die Berliner Community kann einfach nicht genug davon bekommen über Bitcoin zu reden. :) Deshalb bieten wir dieses Meet-up als weitere Option neben dem etablierten “Berliner Bitcoin-Stammtisch @ Friedel Richter” an. Jeder ist willkommen - Bitcoin-Anfänger, Enthusiasten, etc. Wir freuen uns auf den gemeinsamen Austausch mit anderen Plebs in lockerer Runde und gemütlicher Atmosphäre und beantworten auch gerne eure Fragen. Natürlich könnt ihr im Café mit Bitcoin ₿ / Lightning ⚡bezahlen. Dies ist der richtige Ort für Menschen, die glauben, dass Bitcoin die Welt verändern kann und Teil der nächsten großen Revolution in der Finanzwelt sein wird. *** Welcome to the Bitcoin meet-up at Café Holzmarktperle (Holzmarktstraße 25, Berlin). Since we can’t get enough of talking Bitcoin we are offering this meet-up as a another option in addition to the established Berliner Bitcoin-Stammtisch @ Friedel Richter. Everyone is welcome - Bitcoin beginners, enthusiasts, … you name it. We are always happy to meet with other plebs, teach, talk and help! Payment in Bitcoin ₿ / Lightning ⚡accepted! This is the place to be for people who believe that Bitcoin will rock the world and will be part of the next big revolution in the financial world.

***Note:*** *We receive bookings from many different platforms, so you can expect a lively group with people joining from all over the world. When you join the **Original Athens Pub Crawl**, you’ll be part of a fun, social crowd ready to explore the city together.* ### Original Athens Pub Crawl – Explore Athens by Night: Looking for the best way to experience Athens nightlife? The **Original Athens Pub Crawl** is the ultimate evening adventure for travelers who want to explore the city after dark, meet new people, and enjoy an unforgettable night out. Perfect for solo travelers, couples, and groups, this crawl takes you through some of Athens’ most exciting nightlife districts, mixing popular venues with hidden local gems. Led by friendly local hosts, you’ll discover Athens in a whole new light—through its buzzing atmosphere, music, and social energy. Expect a night filled with fun activities, interactive games, and plenty of opportunities to connect with fellow travelers from around the world. Whether you’re here for one night or a full holiday, the Original Athens Pub Crawl guarantees a memorable evening of laughter, culture, and new friendships. **Highlights:** * Experience Athens nightlife with local hosts and fellow travelers * Explore a mix of lively venues, social spots, and hidden gems * Join fun games and activities that keep the energy going all night * Meet new friends from across the globe in a relaxed, friendly setting * A perfect choice for solo adventurers, groups of friends, or party lovers Make your trip to Athens unforgettable—join the **Original Athens Pub Crawl** and dive into the city’s vibrant night scene!

Willkommen zum 17. PlebWalk. Hast du Lust, einen entspannten Tag in der Natur zu verbringen, etwas für deine körperliche und geistige Gesundheit zu tun, über Bitcoin zu sprechen und Zeit mit tollen Bitcoinern zu verbringen? Natürlich sind auch Neulinge und zukünftige Bitcoiner willkommen. LOS GEHT'S! Treffpunkt: Parkplatz Rübezahl Endpunkt: Rübezahl Verkehrsmittel: Bus169 Uhrzeit: 13:00 Uhr (Bitte pünktlich sein! Die maximale Wartezeit beträgt 15 Minuten, so dass wir spätestens um 13:15 Uhr mit dem PlebWalk beginnen können). _________ Strecke: 12km Rübezahl - Müggelsee + Berg - Müggelturm - Rübezahl __________ Bei Fragen kontaktiert gerne die PlebWalk Telegram Gruppe (https://t.me/plebwalk_berlin). Welcome to the 17th PlebWalk in Berlin. Want to enjoy a relaxed day out in nature, do something for your physical and mental health, talk about Bitcoin and spend some time with awesome bitcoiners? Of course, newbies and future-bitcoiners are welcome as well. Meeting point: Rübezahl Parking Lot Final stop: Rübezahl Public Transport: Bus169 Meeting time: 01:00 pm (Please be on time! Max waiting time is 15 min so that we will start our PlebWalk no later than 01:15 pm). Route: 12km Rübezahl - Müggelsee + Berg - Müggelturm - Rübezahl For any questions, feel free to reach out to the PlebWalk Telegram group (https://t.me/plebwalk_berlin). (bearbeitet)

**Note:** *We receive bookings from many different platforms, so you can expect a lively group with people joining from all over the world. When you join this tour, you’ll be part of a fun, social crowd ready to explore the city together.* Get ready for an unforgettable night out in Berlin! Join The Original Berlin Pub Crawl and dive into the city’s legendary nightlife — from buzzing bars to hidden underground clubs. This is the Berlin experience you don’t want to miss. Your night starts with a warm welcome shot and a friendly local guide who knows every hidden corner of Berlin’s party scene. You’ll explore some of the city’s most exciting bars, enjoy exclusive drink specials, free shots at every stop, and meet fellow travellers from around the world. As the night goes on, we’ll lead you straight to one of Berlin’s top nightclubs — where you’ll skip the line and dance until dawn. This isn’t just a pub crawl — it’s a social adventure through Berlin’s most electric neighbourhoods, filled with laughter, music, and new friends. **✅ What’s Included:** * Friendly local nightlife guide * Free welcome shots at each venue * Exclusive drink deals & discounts * VIP entry to one of Berlin’s top clubs * A fun international crowd **🌟 Highlights** * Discover Berlin’s best bars and hidden party spots * Experience the authentic Berlin nightlife scene * Meet travellers and locals from around the world * Enjoy free drinks and skip-the-line club entry * Dance the night away in true Berlin style

📆 Agenda * 19:00 Welcome to the PUB (Python Users Berlin) – setting up * 19:15 Main talk * 20:00 Lightning talks * 20:30 Social gathering 🎙 Main talk by [@esc](https://github.com/esc): Whirlwind tour of [Numba](https://github.com/numba/numba) In this talk I will take you on a whirlwind tour of Numba -- the Python just-in-time (JIT) compiler. I will equip you with with a mental model of how Numba works and what it is good at. At the end, you will be able to decide if Numba could be useful for you. 📚 Resources * https://github.com/esc/numba-talk ⚡️ Lightning talks Time will be open at the end of the night for lightning talks (short 5 minute presentations). Please bring your ideas and inspirations with.

Immerse yourself in the genuine vibe of Warsaw's nightlife with this pub crawl. Kick off the party at the Shot Gun bar. Mingle with other guests, setting the tone for the night. Follow your guides for a night filled with free shots, exclusive deals at hotspots, and complimentary entries. As the city transforms with the allure of the night, see Warsaw unfold its musical, culinary, and lively nocturnal charm. Journey the city's beating heart, hitting up three authentic bars. Upgrade your experience by choosing an hour-long open bar (at extra cost.) Whether salsa is your groove or you're just up for a good time, expect to find yourself dancing by the end of the night. To cap off this adventure, head to a carefully chosen nightclub where you can skip the long lines with a VIP entrance.

Join us for the next Spring User Group Berlin meetup! This time, we are bridging the gap between rock-solid operations and developer joy. [Sign up now to secure your spot!](https://www.meetup.com/spring-user-group-berlin/events/313094589/?slug=spring-user-group-berlin&eventId=313094589)

We may pick a specific topic and post in advance or may discuss current events and various ad hoc topics . We would love to spend time hanging out and getting to know one another. Atheist, agnostics, other non-theists, and atheist-friendly people are welcome to join us. Note: COUNT operates a Facebook page at www.facebook.com/groups/COUNT.discussions (http://www.facebook.com/groups/COUNT.discussions/) to promote discussions among members and visitors.

NFT's are here to stay folks! This is a group for like minded people interested in understanding, leveraging, using, creating for, profiting from, trading too i suppose, NFT's.. everything around them, complexity, fear and exploits, best practices and more. **PLUS** This group will talk AI ART tools, techniques, artists, video, audio, prototypes and more in the AI assisted production space- ART specifically, but we can get into any aspect of some of the cooler things happening in AI in general.

Bienvenue! Columbus French Conversation group invites you to our Saturday morning French conversation club. Expect a casual and welcoming atmosphere in which to learn french! I will bring my laptop so we can look up new vocabulary as needed! The venue is a beautiful French restaurant so you can really get into the zone :)

**Important time note:** Please plan on arriving between 5:30 and 6:00 as the elevators lock after 6 and you'll need to message us and we'll need to come get you. The building address is 4450 Bridge Park The entrance is 6620 Mooney St, Suite 400 **Abstract** TBD **YouTube Link** TBA

Want to be a speaker? submit your talk to our Call for Presenters!!! https://sessionize.com/cbus-hug-2026/

Bring your Raspberry Pi, Arduino, microcontroller, or any other electronic project and join fellow electronics makers for a night of creativity and collaboration! This session is open forum to share your current projects—whether complete or in progress, it’s all interesting! Whether you’re deep into embedded systems, exploring new ideas, or just getting started, you’ll find a welcoming space to collaborate, share, and get inspired. (NOTICE - Location change!) This session will be at the Karl Road Branch of the Columbus Library in the Conference Room 2.