互联网企业的发展模式 Web3? So-called Web3 ？ Where is the Next Stage ★ Blockchain ★ Decentralized Ledger Storage: MPT (Merkle Patricia Tree) ★ K-V database ★ Smart Contract ★ Serverless The Weapons Web3 Utilizes general cases • Limites of On-chain VM computation • Limites of MPT • Limites of K-V db Problems of Web3: Technical Viewpoint Financial Model: Account=>Balance ➔ Relatively closed dataset, linear increasement the closed data model has been at the end. A New Proposal: Open Data Application The Road to Open Web ➔ From the user side, it looks like just the traditional Internet app ➔ But everyone have the chance

oDebugging JavaScript Why are we here? How did NativeScript come to be? Swift/Obj-C Java .NET We ❤ Web. But… We need: • Better offline support • Access to all device APIs • Home screen availability discovery • … Hybrid "Promise" 100% Web 100% Nativ e Hybri d Reach Code/Skill Reuse Richness Premium experience Device APIs Best of both? Compromises. Mobile Web - PWA Hybrid Native “1st Gen” apps for iOS & Android o Use web skills o JS, CSS, XML-based markup o Write once, run everywhere o Share 100% code between iOS/Android o Share 80% code with web o Reuse popular plugins from NodeJS/iOS/Android

Analytics, ML App Python/Matlab/R Java/C/C++/Restful IoT Application Visualization Tool Grafana Web Based Management Tool 21,400+ 4,600+ 18,500+ 社区版开源 2019.07.12 集群版开源 2020.08.03 云原生版开源 2022.08.13 io/crates/tokio-cron-scheduler • MPMC Channel: https://crates.io/crates/flume • Web Service: • Framework: https://crates.io/crates/actix-web • OpenAPI：https://crates.io/crates/utoipa • Metrics: https://crates.io/crates/metrics

service() doGet() doPost() Get Request Post Request Response Response Web Server HttpServlet subclass 注意： 方法由 HttpServlet 的子类实现

Project History Harbor Community Harbor Users and Partners (selected) x x Main Features 6 Web Portal • Based on open source Clarity • Image operation full capabilities • Batch operations Restful

00:00:00 BONUS Time travel history state Create Update Update Delete Future ● Auto configure through web ● Auto deploy on Kubernetes ● Open source? ● Github: kevwan Q&A Thanks

monitoring: квантили • Geospatial: geoDistance, pointInPolygon, H3, S2 ClickHouse — гибкая система 8 Web analytics Mobile app analytics Ads analytics Realtime bidding E-commerce analytics Retail Games analytics

chart Keystone Keystone is aiming to develop the most secure and easyuse hardware wallet for the Web3 world 利用 Rust 重塑移动应用开发 Photo / image / chart 采用 Rust 重构业务逻 辑的背景和动机 Performance The same business