> Markdown version of [/videos?event=world-congress-2025&page=143](https://www.wearedevelopers.com/videos?event=world-congress-2025&page=143). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Videos 2243 videos · 24305 moments · 1256.1 hours of content ## All videos ### A Primer on Blockchain and Hedera: An Intro Through Terms Intimidated by Web3 jargon and complex smart contracts? Discover how Hedera’s EVM-compatible ledger lets you build fast, carbon-negative applications using familiar JavaScript frameworks. - **Speakers:** Ryan Arndt - **Event:** World Congress 2023 - **Published:** August 11, 2023 - **Duration:** 30:11 - [Watch](https://www.wearedevelopers.com/videos/633-a-primer-on-blockchain-and-hedera-an-intro-through-terms) ### Debunking the Top 10 Myths about Web 3 Think Web3 is just a passing crypto trend? Discover how modern decentralized architectures offer enterprise-grade resilience, letting developers build transparent, real-world applications using familiar coding languages. - **Speakers:** Ed Marquez - **Event:** World Congress 2023 - **Published:** August 11, 2023 - **Duration:** 30:32 - [Watch](https://www.wearedevelopers.com/videos/634-debunking-the-top-10-myths-about-web-3) ### Web3: Embracing the Next Era of the Internet Within a Web2 Landscape Must we abandon Web2 to embrace Web3? Discover how to build hybrid frameworks that combine the frictionless scale of the cloud with the absolute sovereignty of decentralized ledgers. - **Speakers:** Darrel Idiagbor - **Event:** World Congress 2023 - **Published:** August 11, 2023 - **Duration:** 26:34 - [Watch](https://www.wearedevelopers.com/videos/635-web3-embracing-the-next-era-of-the-internet-within-a-web2-landscape) ### Reducing the carbon footprint of your website Did you know the internet generates 4% of global carbon emissions? Learn how developers use co2.js and payload reduction to build a faster, greener web. - **Speakers:** Ines Akrap - **Event:** World Congress 2023 - **Published:** August 11, 2023 - **Duration:** 30:07 - [Watch](https://www.wearedevelopers.com/videos/636-reducing-the-carbon-footprint-of-your-website) ### WebAssembly: Disassembled WebAssembly doesn't replace JavaScript—it supercharges it. Uncover the stack-based mechanics and memory manipulation that make compiling Rust and C++ to the browser both fast and secure. - **Speakers:** Stefan Schöberl - **Event:** World Congress 2023 - **Published:** August 11, 2023 - **Duration:** 27:27 - [Watch](https://www.wearedevelopers.com/videos/637-webassembly-disassembled) ### Building for the Edge - Crafting a Next-Gen Framework Rethink traditional Node servers. Combine Nitro, Vue, and Vite to architect a custom edge framework. You can achieve sub-two-millisecond cold starts. - **Speakers:** Daniel Roe - **Event:** World Congress 2023 - **Published:** August 11, 2023 - **Duration:** 43:41 - [Watch](https://www.wearedevelopers.com/videos/638-building-for-the-edge-crafting-a-next-gen-framework) ### Design Systems and how to develop consistent and scalable products with them Building a comprehensive design system before your MVP demands high upfront investment, but it prevents massive technical debt. Discover how to scale efficiently using Figma, React, and Storybook. - **Speakers:** Michael Siregar - **Event:** World Congress 2023 - **Published:** August 11, 2023 - **Duration:** 32:21 - [Watch](https://www.wearedevelopers.com/videos/639-design-systems-and-how-to-develop-consistent-and-scalable-products-with-them) ### Level up your Angular CSS with Tailwind CSS Tired of wrestling with verbose stylesheets and complex Angular component overrides? Discover how Tailwind's utility-first framework accelerates development, enforces design consistency, and automatically shrinks your production bundles. - **Speakers:** Patricio Vargas - **Event:** World Congress 2023 - **Published:** August 11, 2023 - **Duration:** 31:41 - [Watch](https://www.wearedevelopers.com/videos/640-level-up-your-angular-css-with-tailwind-css) ### Is CSS Houdini finally usable in 2023? CSS Houdini didn't fail; it pivoted. Leverage its three production-ready APIs to unlock type-safe properties, multithreaded painting, and up to a 30% performance boost in JavaScript style calculations. - **Speakers:** Tanja Ulianova - **Event:** World Congress 2023 - **Published:** August 11, 2023 - **Duration:** 29:40 - [Watch](https://www.wearedevelopers.com/videos/641-is-css-houdini-finally-usable-in-2023) ### What I learned as a developer from accidents in space What do historical Soviet space disasters teach us about software engineering? Discover why crashed space stations prove you must automate workflows and stop blaming users for bad UX. - **Speakers:** Andrey Sitnik - **Event:** World Congress 2023 - **Published:** August 11, 2023 - **Duration:** 18:44 - [Watch](https://www.wearedevelopers.com/videos/642-what-i-learned-as-a-developer-from-accidents-in-space) ### One Framework To Rule Them All: Faster Websites With Astro Why ship huge JavaScript bundles for static content? Discover how Astro's Islands Architecture lets you mix React, Vue, and Svelte while delivering zero-JS websites by default. - **Speakers:** Eddy Vinck - **Event:** World Congress 2023 - **Published:** August 11, 2023 - **Duration:** 30:42 - [Watch](https://www.wearedevelopers.com/videos/643-one-framework-to-rule-them-all-faster-websites-with-astro) ### Bringing digital education to refugee and host communities in remote regions of Africa How do you build a fault-tolerant, multilingual educational platform for remote refugee camps without reliable internet? Discover the offline-first architecture powered by Elixir, Phoenix LiveView, and CSS logical properties. - **Speakers:** Phil Helliwell - **Event:** World Congress 2023 - **Published:** August 11, 2023 - **Duration:** 26:49 - [Watch](https://www.wearedevelopers.com/videos/644-bringing-digital-education-to-refugee-and-host-communities-in-remote-regions-of-africa) [Next page](https://www.wearedevelopers.com/videos?page=144)