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Learn how to implement end-to-end encryption (E2EE) in your application with this 41-minute conference talk. Discover a practical architecture for E2EE apps, understand its benefits and consequences, and avoid common pitfalls. Follow along as the speaker demonstrates how to secure a sample note-taking app using the open-source DataPeps SDK, automating cryptography implementation without altering the user experience. Explore the process of creating secure sessions for automatic client-side encryption and decryption, as well as protecting and sharing individual notes between users. Gain insights applicable to various programming languages, with examples using a Go backend and JavaScript frontend.