Animated QR Codes Explained: BC-UR Playground Tutorial for Developers скачать в хорошем качестве

Animated QR Codes Explained: BC-UR Playground Tutorial for Developers

Learn how to create and decode animated QR codes using the BC-UR Playground and the bc-ur JavaScript library. This tutorial covers fountain encoding, CBOR, Bytewords, URs, and the complete BC-UR type system for blockchain data transfer. 🔗 TRY IT YOURSELF BC-UR Playground: https://irfan798.github.io/bcur.me/ BC-UR Library (GitHub): https://github.com/ngraveio/bc-ur UR Registry (GitHub): https://github.com/ngraveio/bc-ur-reg... 📚 WHAT YOU'LL LEARN ✓ How animated QR codes solve the 3KB size limit ✓ Fountain encoding with Luby Transform Codes ✓ CBOR vs JSON for binary data ✓ Bytewords human-readable format ✓ Creating and decoding URs (Uniform Resources) ✓ Working with the UR Registry type system ✓ Integrating bc-ur into your JavaScript applications 🔧 TECHNICAL DETAILS Animated QR codes use fountain encoding (Luby Transform Codes) to enable: Starting at any frame (no sequential scanning needed) Missing frame reconstruction from redundant blocks Reliable transfer over unreliable visual channels Transfer of data much larger than static QR limits (~3KB) The BC-UR specification from Blockchain Commons provides: CBOR encoding for efficient binary data Bytewords for human-readable representation UR format for uniform resource identifiers Type registry for structured, typed data 📖 RESOURCES Blockchain Commons: https://blockchaincommons.com Animated QRs Docs: https://developer.blockchaincommons.c... BC-UR Specification: https://github.com/BlockchainCommons/... UR Types Registry: https://github.com/BlockchainCommons/... 👨‍💻 ABOUT ME I'm Irfan, maintainer of the BC-UR JavaScript library and UR Registry. I built the BC-UR Playground to help developers understand and implement animated QR codes for blockchain applications. 🔔 COMING NEXT In the next video, I'll show you how to create custom UR types from scratch and integrate them into your applications. 💬 QUESTIONS? Drop your questions in the comments! If you're building something with BC-UR, share your project—I'd love to see what you create. 📱 CONNECT GitHub: https://github.com/irfan798 BC-UR Playground: https://github.com/irfan798/bcur.me #blockchain #qrcode #javascript #typescript #developers #tutorial #bcur #cryptocurrency #fountainencoding #cbor #airgap #hardwarewallet #webdevelopment #opensource