Coin Collecting

👋 **Hei, kamu yang lagi ngeliatin chart merah dan nggak tau harus ngapain...** ​ Diam? Jual? Nunggu? Kebanyakan orang milih panik. Tapi ada satu kebiasaan sederhana yang justru paling powerful dilakuin pas kondisi lagi kayak gini — dan namanya DCA. 📉➡️📈 ​Di meetup kali ini kita bakal ngobrol santai soal **manfaat strategi DCA (Dollar Cost Averaging) saat fase bear market**—cara sederhana yang sering dipakai banyak orang untuk tetap konsisten tanpa harus pusing menebak harga. 📉 ​Kita bahas bagaimana DCA bekerja, kenapa strategi ini sering dianggap lebih tenang di tengah pasar yang naik turun, dan bagaimana cara melihatnya dari perspektif jangka panjang. ​ Nggak perlu jadi trader atau ahli market. Cukup datang dengan rasa penasaran, ngobrol bareng komunitas, dan lihat bagaimana strategi sederhana bisa membantu menghadapi pasar dengan lebih tenang. ​🧡 Karena di Bitcoin, konsistensi sering kali lebih penting daripada mencoba menebak waktu yang “sempurna”. ​Sampai jumpa di meetup! ​ 📌 Info Penting:🔸 Tiket **GRATIS**, tapi peserta beli makan/minum sendiri selama acara🔸 Tidak ada promosi altcoin, NFT, token, atau proyek “kripto” lainnya🔸 100% tentang **Bitcoin** — teknologi, nilai, dan potensinya untuk dunia 🔗 **Tentang Kami**🟠[ Bitcoin Indonesia ](https://x.com/bitcoinindo21)adalah inisiatif nirlaba yang bertujuan untuk:🕊️ Menyebarkan pemahaman soal **Bitcoin** sebagai alat pembebasan individu⚖️ Mendorong **kedaulatan finansial** lewat edukasi netral dan jujur📚 Menyediakan konten edukasi **open-source & gratis** untuk semua **📲 Telegram: [https://t.me/+OIIRyKQmvJY0MWFk](https://t.me/+OIIRyKQmvJY0MWFk)** **📸 Instagram: [https://instagram.com/bitcoinindo21](https://www.instagram.com/bitcoinindo21)** **🌐 Website: [https://bitcoinindonesia.xyz](https://bitcoinindonesia.xyz/)**

👋 **Hei, kamu yang penasaran Bitcoin bisa dipakai buat apa selain disimpen...** ​Pernah kepikiran nggak kalau Bitcoin bukan cuma soal beli, simpan, atau trading? Ada satu konsep yang sering dibahas di komunitas: **sirkular ekonomi** — ketika Bitcoin benar-benar dipakai, berputar, dan hidup di tengah aktivitas sehari-hari. ​Di meetup kali ini, kita bakal ngobrol santai tentang bagaimana praktik sirkular ekonomi bisa mulai tumbuh dari komunitas. Mulai dari menggunakan Bitcoin untuk transaksi, mendukung merchant yang menerima Bitcoin, sampai membangun kebiasaan baru yang membuat ekosistemnya makin kuat. ⚡ ​Kalau kamu penasaran bagaimana Bitcoin bisa benar-benar “dipakai”, bukan cuma disimpan — ini tempat yang pas buat mulai ngobrol. ​Datang buat diskusi, pulang dengan perspektif baru tentang bagaimana ekonomi yang lebih terbuka bisa dibangun bersama. 🧡 ​Sampai ketemu di meetup! 🧡🚀 ​​ 📌 **Info Penting:** 🔸 Tiket **GRATIS** (peserta beli makan/minum sendiri) 🔸 **NO** promosi altcoin, NFT, atau token lainnya 🔸 100% bahas **Bitcoin** — teknologi, filosofi, dan potensinya 🔗 **Tentang Kami** 🟠 *[Bitcoin Indonesia](https://x.com/bitcoinindo21)*[ ](https://x.com/bitcoinindo21)adalah komunitas nirlaba yang ingin: 📚 Menyebarkan edukasi netral soal Bitcoin 🕊️ Mendorong kebebasan dan kedaulatan individu 🤝 Buka ruang diskusi sehat dan terbuka untuk semua **📲 Telegram: [https://t.me/+OIIRyKQmvJY0MWFk](https://t.me/+OIIRyKQmvJY0MWFk)** **📸 Instagram: [https://instagram.com/bitcoinindo21](https://www.instagram.com/bitcoinindo21)** **🌐 Website: [https://bitcoinindonesia.xyz](https://bitcoinindonesia.xyz/)**

​👋 **Hei, kamu yang diam-diam mulai khawatir sama kondisi ekonomi belakangan ini...** ​Dolar naik, harga barang merangkak, berita ekonomi global makin hari makin bikin dahi mengernyit. Dan wajar banget kalau kamu mulai nanya — *"sebenernya aku harus ngapain sekarang?"* 🌐 ​Pertanyaan itu bukan tanda panik. Itu tanda kamu mulai berpikir serius. 💡 ​Di meetup kali ini, kita bakal ngobrol santai soal **strategi menghadapi situasi tersebut** dengan cara pandang yang lebih tenang dan rasional. ​Bukan diskusi yang penuh teori berat, tapi obrolan yang membumi: gimana memahami kondisi ekonomi yang terus berubah, bagaimana cara menyikapinya dengan lebih bijak, dan apa saja pilihan strategi yang bisa dipertimbangkan di tengah dunia yang makin dinamis 📊💡 Tentu kita juga akan melihat bagaimana peran Bitcoin sering dibahas dalam konteks ini, tanpa harus buru-buru mengambil kesimpulan. ​Diskusi santai, terbuka, dan relevan sama kondisi yang kamu rasain sehari-hari. Cocok buat kamu yang mau ngerti lebih dalam sebelum ambil keputusan apapun. 🙌 ​Datang untuk berbagi pandangan, pulang dengan cara berpikir yang lebih tenang. Karena di tengah dunia yang penuh ketidakpastian, pemahaman adalah aset yang paling menenangkan 🧡⚡ ​Sampai jumpa di meetup! 📌 Info Penting:🔸 Tiket **GRATIS** (peserta beli makan/minum sendiri)🔸 **NO** promosi altcoin, NFT, atau token lainnya🔸 100% bahas **Bitcoin** — teknologi, filosofi, dan potensinya 🔗 **Tentang Kami**🟠 *[Bitcoin Indonesia](https://x.com/bitcoinindo21)*[ ](https://x.com/bitcoinindo21)adalah komunitas nirlaba yang ingin:📚 Menyebarkan edukasi netral soal Bitcoin🕊️ Mendorong kebebasan dan kedaulatan individu🤝 Buka ruang diskusi sehat dan terbuka untuk semua **📲 Telegram: [https://t.me/+OIIRyKQmvJY0MWFk](https://t.me/+OIIRyKQmvJY0MWFk)** **📸 Instagram: [https://instagram.com/bitcoinindo21](https://www.instagram.com/bitcoinindo21)** **🌐 Website: [https://bitcoinindonesia.xyz](https://bitcoinindonesia.xyz/)**

Main Bareng Pickleball at Ancol Tennis Warehouse. Join us for fun, socialising and sports at Ancol Tennis Warehouse.

Want to unwind after work with some fun? How about hitting the tennis courts at Anol Tennis Warehouse with people who are at your level (Intermediate)? It’s a weekly event, and we’re always welcoming new members, so you can get a great workout and make some new friends all at once. Looking forward to seeing you there soon! Fee is 198,000 Rp per person.

Hey, friend in Jakarta! Now that you joined JakFri... **are you a member of [Jakarta Writers](https://www.meetup.com/jakarta-writers/) yet?** Want to see **pictures** of past events? **[Take a look here!](https://www.meetup.com/jakarta-friends/photos/)** And feel free to upload a few pictures you will take at the event 😊 JakFri and JakCre is **the** biggest, oldest, most active, and most inclusive MeetUp community in Jakarta… and we invite you to join us to join us for this **DIGITAL DETOX evening in THE SKY! No phones will be allowed during this event!** Let's log off and talk to each other in real life! Everyone is always welcome to join our events. Our community is all about creating authentic in-person connections in this urban jungle. Come as you are... it’s the best version of yourself. **ABOUT THE EVENT** Join this **very special event** and take a look at **luxury cars** (Ferrari, Porsches, and more) before heading up to a **cozy rooftoop café & resto** with a stunning view of the **elevated** **MRT train** and the **JakSel skyline**, have a bite and drink with fellow Jakarta Friends and play a few rounds of **free pool (billiard)** in this fabulous terrace overlooking the city! An informal and intimate evening where we favour **authentic connections** **and conversations** instead of big, loud group where you don't manage to go past the superficial "where are you from" and "what do you do" questions. When checking in, everyone will be reminded not to use their phone. This is an event were we disconnect and enjoy each other presence! **No phones are allowed for the duration of the event!** Will you manage? 😉 This is a unique event with **very limited places** as the café is small. There's a table reserved for us inside (airco & non-smoking). First-timers are particularly encouraged to join! Reserve your spot today and make sure you update your RSVP if you cannot come. No show = kicked from the group. Our events are **introvert friendly** and we favour authenticity! Everyone is always welcome to join our events. For this event, we have chosen a small café with an astonishing view and a delicious and diverse food menu. The location is excellent and the view of the MRT train passing a few meters away is absolutely epic. At the entrance of the building there is a shop for luxury cars and you are invitated to take a stroll and feel free to buy one 😉 Be prepared to identify yourself with ID at the entrance for security reasons. Then you can head up with the elevator to the rooftop terrace (having both an inside area with airco and outside/smoking area with pool table). A table is reserved for us under the name "MeetUp". The event starts at 6.30 PM and I strongly recommend to arrive on time. The kitchen closes at 8 PM for the last order. Don't be late and don't miss this opportunity to have an authentic evening with locals and international new friends. We will ask for a split bill and everyone will be paying what they consume. **Pool is free!** **We have organised this event before!** * **[Digital Detox in the Sky at Rocket Café](https://www.meetup.com/jakarta-friends/events/311728808)**[ ](https://www.meetup.com/jakarta-friends/events/311728808)(Nov 2025) You can browse [all future events](https://www.meetup.com/jakarta-friends/events/) and [all past events](https://www.meetup.com/jakarta-friends/events/?type=past) of Jakarta Friends take a look at [pictures of previous events](https://www.meetup.com/jakarta-friends/photos/) to get a sense of the vibe of our group! **ABOUT THE VENUE** * Here's the IG of Rocket Café Fatmawati: https://www.instagram.com/rocketcafe.fatmawati/ * Here you can find all you need about the café: https://share.google/fKZMHUeX4DGIJ8xUD * Rocket Café Fatmawati is located near the MRT Fatmwati (5 minutes walking distance) and we strongly recommend you to skip the hassle of macet, leave the car somewhere, and join by MRT. * The restaurant closes at 9 PM and last order is at 8 PM. The place is small, and attendance to this event is limited to 6 persons. If you cannot join, please **update your RSVP at least 24h before the event** as respect to the organiser and people in the waitlist. **No-shows will be kicked out of the group.** There will be a table reserved for us under MeetUp. At the counter on the main entrance (first floor) you will be required to show your ID and indentify yourself to be let into the building as they care about security and a safe space. **HOW TO REGISTER TO THE EVENT?** To register, just click “Attend”! There are a few simple rules * We kindly ask attendees who cannot manage to join to **update RSVP at least 24 h before the event** as a courtesy to other attendees and event organisers. * Cancellation a few hours before the event still counts as a no-show as it takes the spot away from someone else * Don't be early! We want to eat together * It's OK if you arrive some time after 6.30 PM, but let's try to eat together, shall we! So, try to make it in time. * People in the waitlist **cannot** attend, and are encouraged to check a few hours before the event to see if they got a spot * No show at this event without updating RSVP = removal from the group. * As the place is small, only 6 guests can attend this event and no +1 are allowed. You are most welcome to bring a +1 at another event! Thank you for your understanding and cooperation! **WE HAVE A MEMBERSHIP FEE. HOW DOES IT WORK?** Our community has a **monthly membership fee** that can be paid through the app (**2 USD/month or about 33k IDR/month**). Membership can also be paid as a **yearly membership of 320k IDR** valid for 365 days after payment. Membership fee is offered with a **promo discount to first-timers**, who can become members for **240k IDR/year** (**Option A**). First-timers can decide to join with a **sneek peak price of 50k IDR & pay the remaining 270k IDR at the next event** they attend (**Option B**). Registered +1 can attend for free. Renewals (after 365 days) and upgrades (to join JakCre) are offered at a special rate. All this is aimed at encouraging people to sign up, and then to attend as many events as they like! Yearly membership can be paid at an event (cash/bank transfer/Gopay) or beforehand (bank transfer/Gopay). Text Corrado (+62 8211 489 3580) if you have any questions about membership. Membership to **both** Jakarta Friends and Jakarta Writers is offered for **only** 390k IDR/year (**Option C**). Membership gives **access to all events** plus exclusive perks available only to paying members, like for example our [Give Away Birthday Celebrations with lucky draw](https://www.meetup.com/jakarta-friends/events/300470498) (Sept 2024) or [FREE pasta cooking (and eating 😉) workshop](https://www.meetup.com/jakarta-friends/events/304253623/) (Nov 2024) or [Museum visits with FREE GUIDED TOURS](https://www.meetup.com/jakarta-creatives/events/301738408/) (Sept 2024). To most events, attendees can **bring a +1 for free**, and we have some events open to all (paid and unpaid) members. To all members we **guarantee** to keep organizing plenty of events. You will receive a **full refund** if the group closes down, or if there’s no event happening in three months. In the past 3 years we have organised up to 2-3 events per week (browse past event [of JakFri here](https://www.meetup.com/jakarta-friends/events/?type=past) and [of JakWri here](https://www.meetup.com/jakarta-writers/events/?type=past)). That is, with your membership you can attend up to 5-10 events! We **guarantee** to keep organising plenty of events. You will receive a **full refund** if the group closes down, or if there’s no event happening in three months. **THE RULES OF OUR COMMUNITY** Our communities are: * **Jakarta Friends**: [https://www.meetup.com/jakarta-friends](https://www.meetup.com/jakarta-friends) * **Jakarta Writers (former Creatives)**: [https://www.meetup.com/jakarta-writers/](https://www.meetup.com/jakarta-creatives/) Members often participate in events of both groups. Over the past two years, we held over 250 events with over 2,000 attendees. Attendees rate our events **very positively** and give wonderful feedback, with an average of **4.8**⭐ (out of 5⭐) afrom over 500 reviews ([take a look at our reviews here!](https://www.meetup.com/jakarta-friends/feedback-overview/)) We value diversity, inclusivity, respect, and authenticity. We **do not tolerate** harassment or discrimination of any kinds. * You are invited to join our WhatsApp group where we announce our events regularly: [https://chat.whatsapp.com/BR0sC0BrPbc9xTqvj1qLfx](https://chat.whatsapp.com/BR0sC0BrPbc9xTqvj1qLfx) * Feel free to tag us on Instagram, and we will repost! [www.intagram.com/jakarta.friends.creatives](http://www.intagram.com/jakarta.friends.creatives) * For questions about the event, please post a comment on the event page, or DM the event organisers

Hello everyone! We're very excited to be hosting an IN-PERSON meetup in Jakarta hosted by PT. Virtus Technology Indonesia. We look forward to seeing you there! The address, agenda, and speaker information can be found below. See you there! **📍 Venue:** **PT. Virtus Technology Indonesia** Centennial Tower, Jl. Gatot Subroto No.Kav. 24-25 lt. 39, Karet Semanggi, Kecamatan Setiabudi, Kota Jakarta Selatan, Daerah Khusus Ibukota Jakarta 12930 Level 39 Glory Room **Important:** * Please bring your ID \*\*\* **🗓 Agenda:** * 7pm: Doors open * 7pm - 7:30pm: Pizza, Drinks, and Networking * 7:30pm - 8:00pm: Nathaniel Wikamulia, Solutions Engineer, Confluent * 8:00pm - 8:30pm: Additional Q&A & Networking \*\*\* **💡 Speaker:** Nathaniel Wikamulia, Solutions Engineer, Confluent **Talk:** Fraud Detection System using Kafka and Flink **Abstract:** This session walks through how to build a real-time fraud detection system powered by Apache Kafka and Apache Flink, from streaming transaction ingestion to stateful event processing. We’ll explore four complementary detection patterns: simple high-value thresholds, historical spending patterns, geographic anomalies using the Haversine formula, and a combined rule that integrates both behavioral and spatial data. \*\*\* If you would like to speak or host our next event please let us know! community@[confluent.io](http://confluent.io/)

## **Columbus Bitcoin Meetup – Event** Join us for another great evening dedicated to Bitcoin, learning, and community. We will be gathering in the private room at Olentangy Brewery for an evening of conversation, education, and fellowship with fellow Bitcoiners. This special event will feature three guest speakers sharing insights from across the Bitcoin ecosystem. ### **Guest Speakers** **Lindsay Faust** Relationship Manager at River **Andrew Tilmann** CEO of the Midwest Bitcoin Summit **Carlos Estrada** Founder of Coin Vigilante In addition to speaking during the event, Andrew Tilmann will also be available for a meet and greet. This will be a great opportunity to ask questions about the upcoming Midwest Bitcoin Summit, taking place September 23 and 24 at the Columbus Convention Center. ### **Midwest Bitcoin Summit Discount** Early Bird pricing ends **April 1st**, but you can still save **21%** by using the promo code: **COLUMBUS** Use the link below to apply the discount: [https://tickets.midwestbtc.com/affiliate/columbusbitcoinmeetup/event/midwest-bitcoin-summit-2026/?promoCodeTask=apply&promoCodeInput=columbus](https://tickets.midwestbtc.com/affiliate/columbusbitcoinmeetup/event/midwest-bitcoin-summit-2026/?promoCodeTask=apply&promoCodeInput=columbus) ### **Event Details** This will be a three hour event, with speakers beginning just before 7:00 PM. There will be plenty of time afterward for networking, meeting new friends, and continuing the conversation. Food will be provided. We look forward to seeing you there! ***

If you are interested in selecting investment choices for your 401(k) or other workplace savings plan, minimizing your income tax liability, or identifying the most effective investments for your brokerage account, we are the group for you. We are a local chapter of Bogleheads**®**, whose investment strategy can be found here: https://www.bogleheads.org/wiki/Bogleheads%C2%AE_investment_philosophy Or you can peruse the Boglehead forum here: https://www.bogleheads.org/index.php I look forward to seeing you there. Mark Vonder Haar

**Welcome to the Women’s Columbus Bogleheads® Sub-Group** This sub-group is for **women who want to learn and discuss finances in a safe, supportive space**. For those interested in moving towards financial independence and retirement by learning investment basics, choosing your 401(k) investments, minimizing taxes, and more. We’re a local chapter of **Bogleheads®**, following a long-term, practical investment philosophy: [Investment Philosophy](https://www.bogleheads.org/wiki/Bogleheads%C2%AE_investment_philosophy): https://www.bogleheads.org/wiki/Bogleheads%C2%AE_investment_philosophy [Bogleheads Forum](https://www.bogleheads.org/index.php): https://www.bogleheads.org/index.php No question is too small, and no experience is too simple. Share, ask, and learn — at your own pace, without judgment, in a group of like-minded women. Let’s build confidence and knowledge **together**!

Join Neurospicy Columbus at the Stauff's for coffee and then a stroll through the Book Loft nearby! This will be a friendly chat for like minded individuals with Autism and/or ADHD (or somewhere on the Neurodiverse Spectra).

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. **New to electronics or curious about tinkering?** You’re absolutely welcome. If you’re a beginner and want to experiment, I’ll have a couple of starter kits available so you can try things out—whether that’s blinking your first LED, putting something on a display, or experimenting with simple sensors. No pressure and no experience required—just an interest in learning and building. While we continue to pursue a more permanent venue for this Meetup, we’ll be using public library facilities based on availability. This session will be at the Worthington Park Library in the Olentangy Meeting Room.

http://photos2.meetupstatic.com/photos/event/2/a/9/6/600_348310902.jpeg Instructor - Crow, HPS Class fee is $30 at the door or approved exchange RSVP with Advance pay of $25 (discounted) by PayPal on the web or by contacting Enchanted Elements (614) 437-2642. Reservations made directly to Enchanted Elements will be added to the class list manually not online. Private Instruction ~ Closed to the Public ~ Initiated Members Only Please come prepared for ritual. Blessings ~ Crow

## Pickleball League \| Singles \| 20s\, 30s\, 40s \| Columbus\, OH Ditch the dating apps and meet singles in real life — on the courts for 8 weeks. This event is ALL done through Eventbrite, we must register in advance. [The link is here! ](https://www.eventbrite.com/e/pickleball-but-everyones-single-datecolumbus-tickets-1984560246119?utm-campaign=social&utm-content=attendeeshare&utm-medium=discovery&utm-term=listing&utm-source=cp&aff=ebdsshcopyurl) April 13th - June 1st. 6:00PM - 8:00PM. Monday Nights. Whether you’re a seasoned player or brand new, this league is all about connection. 👉 **Never played before?** No problem! For the first **three weeks**, instructors will be on-site for the first 30 minutes to teach you the basics and get you comfortable jumping in. We’ll run this as **open play** — you’ll rotate courts and partners for casual games and maximum mingling. Winners stay for one round before rotating, giving you plenty of chances to meet someone new. 📅 **Mondays\, April 13th \- June 1st \| 6:00–8:00 PM** 📍 **Paddle Taps** \| 535 Lakeview Plaza Blvd\, Worthington\, OH 43085 **⭐ May 4th — Best Dressed Night: Star Wars Edition** *May the Fourth Be With You!* Dust off your Jedi robes, break out the lightsaber, or go full Chewbacca. Come dressed up, bring your A-game, and may the force (and your dinks) be with you. Best dressed winner picked by the volunteer sqaud, Winner will receive a prize! **🍽️ May 25th — Memorial Day BBQ POST PLAY** End your Memorial Day weekend with pickleball and pickleball BBQ! Paddletaps will provide the burgers & hot dogs, you're welcome to bring your fav app or dessert to share with the crew! **What to Know** * Paddles available each week — or bring your own * Locker room on-site * Full restaurant + bar available * Play runs every Monday from 6:00–8:00 PM for 8 weeks * Eat, drink, and mingle during and after play * Tickets are **non-refundable** Ready to meet your pickleball partner (and maybe more)? 🎟[ ](https://www.eventbrite.com/e/pickleball-but-everyones-single-datecolumbus-tickets-1984560246119?utm-campaign=social&utm-content=attendeeshare&utm-medium=discovery&utm-term=listing&utm-source=cp&aff=ebdsshcopyurl)**[Sign up now — spots will go fast!](https://www.eventbrite.com/e/pickleball-but-everyones-single-datecolumbus-tickets-1984560246119?utm-campaign=social&utm-content=attendeeshare&utm-medium=discovery&utm-term=listing&utm-source=cp&aff=ebdsshcopyurl)** ### Event Guidelines 🚫 No rude or inappropriate behavior 📸 Photos may be taken for promotional use 📵 Be present — phones away, eyes up ✨ Be open, have fun, and enjoy the experience