Learn Bitcoin through Command Line, Season 4 Cohort has graduated 🚀👏 Congratulations to all participants who completed the journey 🎉

🟠 LATEST IN BITCOIN TECH | TODAY, 8 PM ➡️ Replay Protection & Universal Opt-In Replay Protection What exactly is Replay Protection? And what is Universal Opt-In Replay Protection, the proposal by moonsettler? Join us tonight as we dive into the latest Bitcoin development discussions, based on Bitcoin Optech Newsletter #420. 📖 Read the relevant Optech newsletter: https://bitcoinops.org/en/newsletters/2026/08/28/ 📍 Join the session on Discord: https://discord.gg/K2uJgHuJevent=1500874083363983530 Come learn, question and discuss the latest in Bitcoin tech. ⚡️

🟠 SURAT, Gujarat | 26 SEPTEMBER ➡️ Bitshala Meetup: Decoding Bitcoin 🕰️ 5:00 PM - 7:00 PM 🎟️ Register: https://luma.com/12baaeqe To begin understanding Bitcoin, you must first understand the “WHY” behind it. Why was Bitcoin created in the first place? What problem was it created to solve? For the first time, Bitshala is coming to Surat. 🚀 We’re looking for curious, like-minded Bitcoin enthusiasts who want to learn, question, build and contribute to the Bitcoin ecosystem. Whether you’re completely new to Bitcoin or have been down the rabbit hole for years, come meet your local Bitcoin community. Let’s start something in Surat. Come join us. ⚡️

🟠 PUNE | 26 SEPTEMBER ➡️ Bitcoin Lightning: How Payment Channels Scale Bitcoin 📅 Sat, 26th Sep | 4:45 PM – 7:00 PM 🎟️ Register: https://luma.com/zlxhltgx How can Bitcoin enable fast, low-cost payments at global scale? Bitcoin introduced decentralized money to the world. But what happens when millions of people want to transact every day? Enter the Lightning Network. Join Bitshala for an interactive introductory session exploring how Lightning works under the hood and how payment channels help scale Bitcoin. We’ll break down the core mechanics of this Layer 2 technology and understand what makes instant, low-cost Bitcoin payments possible.

🟠 MUMBAI | 26 SEPTEMBER ➡ Bitcoin 101 for Developers & Curious Beginners 📅 Sat, 26th Sep - 11:45 AM to 2:00 PM 🎟️ Register: http://luma.com/ual4wk7p How does Bitcoin work without a bank or a central server? And what actually happens when you send a Bitcoin transaction? Join Bitshala for a beginner-friendly workshop exploring how Bitcoin works under the hood. We’ll break down the key ideas in simple language, follow a transaction through the network, and guide you through creating and sending one yourself.

Great conversations around Nostr in Shivajinagar, Pune (12-Sep-2026)⚡ Students, developers, network engineers, activists & journalists explored how Nostr works, how messages move through relays, cryptographic keys & open communication protocols. Thanks for joining Nostr 101 🙌

Mumbai, you brought the energy! ⚡🧡 At Bitcoin Wallet Architecture meetup (12-Sept-2026), we went under the hood of Bitcoin Wallets; hashes, ECC, ECDSA, secp256k1, public/private keys, signing, mnemonics, passphrases, child keys & address derivation! 🔑 Thanks for joining, see you at the next meetup🚀

Ready to learn how Bitcoin actually works? ₿🚀 Mastering Bitcoin Cohort, Season 7 starts TODAY. 📅 12 September 2026 🎙️ Orientation: 8:00 PM IST / 2:30 PM UTC 📖 8 weeks: from Bitcoin fundamentals to mining & security ✅ No coding experience required 📌 Apply: https://app.bitshala.org/ 📖 Reading material: https://app.bitshala.org/mb-instructions Join us in the Bitshala Discord Lounge: https://discord.com/invite/STeQFVEWf9

Ready to learn how Bitcoin actually works? ₿🚀 Mastering Bitcoin Cohort, Season 7 starts TODAY. 📅 12 September 2026 🎙️ Orientation: 8:00 PM IST / 2:30 PM UTC 📖 8 weeks: from Bitcoin fundamentals to mining & security ✅ No coding experience required 📌 Apply: https://app.bitshala.org/ 📖 Reading material: https://app.bitshala.org/mb-instructions Join us in the Bitshala Discord: https://discord.com/invite/STeQFVEWf9

Bitcoin Protocol Development, Season 2 Cohort has graduated 🚀👏 🎉 Congratulations to all participants who completed the journey and deepened their understanding of Bitcoin Protocol 🔐🌐 Applications for the new seasons of Mastering Bitcoin cohort is now open! Orientation session will be today at 8:00 PM IST / 2:30 PM UTC 📌Apply here: https://app.bitshala.org/