Show HN: Sealr – E2EE messenger with per-message rules and screenshot blocking

Category: security

Tags: e2ee, messaging, privacy, screenshot-blocking

Score: 5.0/10 (Innovation: 6, Technical: 4, Documentation: 2, Utility: 5)

Sealr is an end-to-end encrypted messaging app that lets users set per-message rules, including screenshot blocking, aiming to give users more control over their content. It stands out by making privacy the core product rather than a buried feature, but lacks public technical details or a repository.

Target audience: privacy-conscious users, security researchers, messaging app developers

Repository: https://sealr.chat/

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