📍 8 cities 8 meet-ups 🗓️ 26–27 September This weekend, Bitshala meetups are happening across India 🇮🇳 Mumbai | Kolkata | Bengaluru | Chennai | Pune | Surat | Hyderabad | Chandigarh From mining and Lightning to multisig, self-custody, UX, transactions, and the fundamentals of Bitcoin. If you’ve been curious about Bitcoin, come join us. ➡️ Find your city and register now: luma.com/bitshala✨

Why did Gold win the Commodity War and how did banking evolve from there? Join Bitshala Reading Club today at 8:00 PM IST | 2:30 PM UTC as we continue reading Broken Money by @LynAldenContact. Today, we’ll cover Chapters 3-6, exploring: 🔹 Why Gold Won the Commodity War 🔹 The Evolution of the Banking System 📍 8 PM on Discord: discord.com/invite/STeQFVEWf…✨

Bitcoin Hardware and Soverignty Club: Schnorr Signatures Explained: Fiat-Shamir & Nonce Reuse | The Cryptographic Trick Behind Bitcoin Signatures | #Bitcoineducation nitter.net/i/broadcasts/1PKqrNkDg…

🎙️Bitcoin Talks with @bala_1116🎙️ What does it take to go from Bitcoin investor to open-source contributor and hardware builder? Our latest episode follows Bala’s journey into Bitcoin development, from @bitshala_org cohorts and transaction introspection to building open-source libraries and hardware at @BitashaIndia. We talk about: - Learning Bitcoin by building and doing, not just studying theory - UTXO coin selection and open-source Rust libraries - Transaction introspection, covenants, and scripting limits - Vaults, timelocks, and better self-custody - Building miners, SeedSigners and steel seed plates in India - Fuzz testing and contributing to Bitcoin infrastructure - Protocol ossification and the future of Bitcoin development Key Timestamps: 00:42 | Bala’s background and entry into Bitcoin 03:42 | From investor to protocol developer 05:32 | Bitshala cohorts and group learning 10:23 | Onboarding through hands-on Lightning 14:56 | Building a Rust UTXO coin selection library 20:24 | Transaction introspection, covenants & scripting 24:39 | Vaults, timelocks & self-custody 29:56 | Fuzz testing Utreexo 32:21 | Building Bitcoin hardware in India 34:57 | SeedSigners & manual dice entropy 41:40 | Mentorship, developer support & meetups 46:42 | Advice for young Bitcoin builders 51:08 | Protocol ossification & future evolution Whether you’re a developer, builder, or simply curious about how Bitcoin gets built, this conversation is worth your time. 🎬 Watch the full episode: 👇

We’re excited to announce the Q3 2026 Btrust developer grant recipients. 🚀 Ten Bitcoin open-source developers are receiving support: five starter grant recipients and five long-term open-source cohort members. This quarter also marks an important first: Btrust developer grants are going directly to developers outside Africa. Through our recent expansion of long-term grants across the Global Majority, we’re now supporting developers in Brazil 🇧🇷 and India 🇮🇳. Their work, alongside that of recipients in Nigeria 🇳🇬 and Kenya 🇰🇪, spans @bitcoincoreorg, mining ⛏️ infrastructure, Lightning⚡, wallet libraries, and privacy-preserving payments. Meet the recipients and learn about their work:

TradFi & Bitcoin Club | 8 PM on Discord ⚡ Today, we continue our Early Riders’ Top 50 Bitcoin Companies series. Join us today, 23rd September at 8:00 PM IST | 2:30 PM UTC as we explore the companies and business models that helped shape Bitcoin’s growth. We’ll cover: • Blockstream and the evolution of Bitcoin infrastructure • How exchanges, custody, mining, and financial services expanded • The shift from early infrastructure to larger-scale businesses • How business models evolved as the market matured • Where companies captured value, and where they struggled • Why Binance represents an important transition into the next phase of the industry 📍 8 PM on Discord: discord.com/invite/STeQFVEWf…✨

🟠 HYDERABAD Meetup | 26 SEPTEMBER ➡️ Bitcoin Wallets & Self Custody Your Bitcoin wallet doesn’t hold your bitcoin. It holds the keys that control it. So what does it actually mean to own your Bitcoin? - How do wallets work? - How should you back up your recovery phrase? - How do you verify transactions without relying on a third party? Join Bitshala to learn the fundamentals of Bitcoin wallets and self-custody. 📅 Sat, 26th Sep | 5:00 PM – 7:00 PM 🎟️ Register: luma.com/wgwgvesb✨

Bitcoin Mining Club: Inside Hardware Wallet Security - Secure Elements, Attacks & Tradeoffs | Can Hardware Wallet Chips Be Hacked? | #Bitcoineducation nitter.net/i/broadcasts/1RJjpbrRk…

🟠 CHENNAI | Sat, 26th Sep | 🕐 4:00 PM – 6:00 PM 🟠Understanding Bitcoin Multisig by Building One What happens when your entire Bitcoin security depends on a single key? And how exactly can multiple keys work together to secure bitcoin? Join us for a hands-on workshop exploring how Bitcoin multisig works by building a multisig wallet ourselves. 🎟️ Register now: luma.com/bitshala-4v1p

🟠 KOLKATA | Sat, 26th Sep | 🕐 11:30 AM - 1:30 PM Bitcoin Mining 101: The Thermodynamic Engine of Decentralized Time How does Bitcoin keep time without a clock? There is no central server, no trusted coordinator, and no authority deciding which transaction came first. So how exactly does Bitcoin reach consensus? Join us for a beginner-friendly workshop exploring how Bitcoin mining turns electricity into consensus. 🎟️ Register now: luma.com/bckklxn8✨ Kolkata plebs, come understand the machine that makes Bitcoin tick. ⚡️