Blockchain

OWASP Sofia Chapter ви кани на ново събитие, посветено на **AppSec, DevSecOps и киберсигурност в практиката**. Събитието ще се състои в офиса на нашите любезни партньори от [SumUp](https://www.sumup.com/en-us/) 🤝 **📌 Програма за 25 юни 2026:** * 19:00 ч. - Начало и въведение * 19:15 ч. - [Deyan Vuchev](https://www.linkedin.com/in/deyan-vuchev-401636127/) @ [SumUp](https://www.linkedin.com/company/sumup/) \- AI Security at the Fintech Frontier * 20:00 ч. - [Denitsa Taneva](https://www.linkedin.com/in/denitsa-taneva-b78423163/) @ [Wisebee](https://wisebee.ai/) \- Detected ≠ Exploitable: Rethinking Vulnerability Prioritization * 20:45 ч. - [Vladimir Atanasov](https://www.linkedin.com/in/vladimir-a-18968395/) @ [EGT](https://www.linkedin.com/company/egt-digital?originalSubdomain=bg) \- It's about Time * 21:30 ч. - Q&A / Networking * 22:00 ч. - Закриване Събитието ще се проведе на живо в офиса на SumUp. Имаме и нов сайт: **[www.owasp.bg](http://www.owasp.bg)** **Deyan Vuchev** е Cybersecurity Architect в SumUp с 15+ години в сигурността и силен опит в SIEM/XDR, автоматизация и облачна сигурност. Презентацията му показва как в SumUp контролират и наблюдават използването на AI tooling и agentic решения в реална fintech среда. **Denitsa Taneva** е Senior Security Engineer в WiseBee с фокус върху cloud security, vulnerability management, product security и AI рискове. Ще предложи нов поглед към приоритизацията на уязвимости — защо "открито" не значи "експлоатируемо". **Vladimir Atanasov** е Security Architect в EGT с над 10 години в сигурността. Ще разгледа пресечната точка между времето и сигурността — с практически примери от defend и attack перспектива. Включете се в общността и следете какво предстои: [Discord](https://discord.com/channels/849266967856414731/981867323298312223) · [LinkedIn](https://www.linkedin.com/company/107314221/) · [Facebook](https://www.facebook.com/owaspbg) Очакваме ви! 🚀

**Founders Running Club** (FRC) brings founders, investors, tech, creative people and startup enthusiasts together for weekly easy runs and networking. We like to be comfortable when we run and finish with coffee and conversations. Choose your pace or follow a pacer—pets, friends, family, are welcome. 🗓️ Launched in San Francisco, July 16, 2022 🌍 Now in 35+ cities 📅 Running + Networking events + Community **Join the community** [http://foundersrc.com/chats](http://foundersrc.com/chats) **Stay updated**: Instagram [http://instagram.com/foundersrc/](http://instagram.com/foundersrc/) Podcast [http://podcast.foundersrc.com/](http://podcast.foundersrc.com/) LinkedIn [http://linkedin.com/company/foundersrc/](http://linkedin.com/company/foundersrc/) Strava [http://strava.com/clubs/foundersRC](http://strava.com/clubs/foundersRC) Website [http://foundersrc.com/](http://foundersrc.com/)

Calling all working parents in Sofia! Join us for a Networking Brunch where we will focus on supporting each other in navigating the challenges of balancing work and family life. This event is open to working moms and dads, whether you are an expat, a stay-at-home mom transitioning back to work, or an entrepreneur juggling multiple roles. Let's share our experiences, exchange tips, and build a supportive community to help each other thrive in our professional and personal lives. Come connect with like-minded individuals, gain valuable insights, and leave feeling empowered and inspired to tackle whatever comes your way. **Don't miss this opportunity to network, learn, and grow together with Sofia Building Business Moms & Dads!**

LFU looks deceptively close to LRU: both caches evict the "least useful" item. We'll look at how the ordering rule affects data structure design. We'll discuss the algorithmic tradeoffs behind LFU and compare different implementation strategies, ending with benchmarks in C++ and Rust. Date and time: **25th of June (Thursday), 6 pm** Location: **Beograđanka, Vidikovac, 22nd floor** Address: **Masarikova 5** Online: **[C++ Serbia YouTube](https://www.youtube.com/watch?v=PwmFvXE_K9I)** To join the community discussions, we are on: * [Discord](https://discord.gg/VDUn8YtHw8) * [Telegram](https://t.me/+l7NS0GrslBMwNzI0) * [Website](https://www.cppserbia.org/) See you!

*Sorry for the 2 month break but I had to deal with some family member health issues, but we are now back!!* **LOCATION - THE DAILY GROWLER -** **2812 Fishinger Rd, Upper Arlington, OH 43221** Over the years, we’ve heard two requests constantly: 1. A place that was quieter and possibly private. 2. “I wish they accepted Bitcoin.” We’ve finally found a solution to these requests with The Daily Growler. We’ll have access to their private room, and you’ll be able to pay your tab with Bitcoin. Join us for a fun and relaxed social event! Enjoy delicious food and drinks as we chat about the latest news in the Bitcoin world. Everyone is welcome, whether you're looking for guidance, have questions, or just want to meet like-minded people. These social evenings are a great opportunity to make new friends and enhance your experience at the larger events throughout the year. We look forward to seeing you there! PSA: If the attendee RSVP seems low, keep in mind that most of our attendees come from X and not [meetup.com.](http://meetup.com./) You are welcome to come and become a part of our online community. Recordings of past guest speakers are available on our YouTube channel [https://www.youtube.com/@columbusbitcoin](https://www.youtube.com/@columbusbitcoin)

🌹 Columbus Singles Meet on Zoom: Live Speed Dating Four quick rounds, real conversations, and Columbus singles matched to you by age and personality. All from your couch. What to expect: Register and take a short personality quiz Jump on Zoom when the event starts Meet singles in guided one-on-one rounds Get your mutual matches by email afterward Find your bracket and grab a seat: → Ages 18-32 — [Register here](https://theliveround.com/product?productId=573&productType=onlineSpeedDating&city=Columbus&groupurlname=circle-of-francophiles-cafe-chat-and-film&ar=18-32&face_v=11.0) → Ages 30-46 — [Register here](https://theliveround.com/product?productId=573&productType=onlineSpeedDating&city=Columbus&groupurlname=circle-of-francophiles-cafe-chat-and-film&ar=30-46&face_v=11.0) → Ages 40-58 — [Register here](https://theliveround.com/product?productId=573&productType=onlineSpeedDating&city=Columbus&groupurlname=circle-of-francophiles-cafe-chat-and-film&ar=40-58&face_v=11.0) → Ages 55+ — [Register here](https://theliveround.com/product?productId=573&productType=onlineSpeedDating&city=Columbus&groupurlname=circle-of-francophiles-cafe-chat-and-film&ar=55+&face_v=11.0) > Heads up: an RSVP here does not hold your seat. Register through your age link and finish the quiz. Spots are capped. Bring yourself and an open mind — we'll handle the rest. 💜

💰 **Build Passive Income with AI Ebooks – Masterclass** Build a passive publishing business with AI — from idea to income. ⚠️ Your spot is only held once you complete registration below. ### [🔗 SAVE YOUR SEAT](https://aiventurelab.org/product/AIEbookBusiness?city=Columbus&groupurlname=network-of-book-lovers-and-discussion-meetups&startgmtdatetime=2026-06-30T22:00:00Z) --- What's covered: - Publish across platforms for passive income - Format and list ebooks so they actually sell - Find profitable niches using AI research tools *One system. Recurring income.* ✍️

Live online speed dating on Zoom for Columbus singles. Short one-on-one rounds, matched by age, all from home. [Click here to register](https://theliveround.com/product?productId=573&productType=onlineSpeedDating&city=Columbus&groupurlname=french-cafe-chat-group-for-all-level-learners&face_v=12.0) Please register asap. An RSVP here does not hold your spot, and not enough interest will result in the event being cancelled.

*Sorry for the 2 month break but I had to deal with some family member health issues, but we are now back!!* **LOCATION - THE DAILY GROWLER -** **2812 Fishinger Rd, Upper Arlington, OH 43221** Over the years, we’ve heard two requests constantly: 1. A place that was quieter and possibly private. 2. “I wish they accepted Bitcoin.” We’ve finally found a solution to these requests with The Daily Growler. We’ll have access to their private room, and you’ll be able to pay your tab with Bitcoin. Join us for a fun and relaxed social event! Enjoy delicious food and drinks as we chat about the latest news in the Bitcoin world. Everyone is welcome, whether you're looking for guidance, have questions, or just want to meet like-minded people. These social evenings are a great opportunity to make new friends and enhance your experience at the larger events throughout the year. We look forward to seeing you there! PSA: If the attendee RSVP seems low, keep in mind that most of our attendees come from X and not [meetup.com.](http://meetup.com./) You are welcome to come and become a part of our online community. Recordings of past guest speakers are available on our YouTube channel [https://www.youtube.com/@columbusbitcoin](https://www.youtube.com/@columbusbitcoin)

Click Here For More Videos: https://www.facebook.com/share/r/17bwkttXhV/ *********************************** Salsamante Dance Academy will be at Swerve Every Tuesday Night to share the Rhythm & Energy of Bachata & Salsa. These are Beginner Level lessons to get you comfortable and understand the two dances. Spread the Good News to all. Swerve Dance & Fitness Complex 640 Lakeview Plaza Blvd A, Worthington, OH 43085 Bachata 7pm-8pm Salsa 8pm-9pm $15 - One Lesson $20 - Both Lessons

📊 **Profit from Predictions – Polymarket Strategy** Stop guessing on Polymarket. Learn the analytical system that generates real profit. ⚠️ Complete registration below — RSVP alone doesn't reserve your spot. ### [🔗 CLAIM YOUR SPOT](https://aiventurelab.org/product/Polymarket?city=Columbus&groupurlname=network-of-book-lovers-and-discussion-meetups&startgmtdatetime=2026-06-30T22:00:00Z) --- What you'll learn: - A systematic approach to forecasting outcomes - How to identify high-value markets before the crowd - Polymarket strategies that generate consistent daily profit *The forecasters who win have a system. Get yours.* 🎯