Fedify: Why implementing ActivityPub is hard, and why it doesn't have to be
Implementing the ActivityPub protocol from scratch introduces massive technical hurdles, including fragmented signature standards, unpredictable JSON-LD document variations, complex distributed systems engineering, and critical security vulnerabilities. Developers frequently encounter silent failures like out-of-order message deliveries that cause permanently orphaned posts, undocumented platform-specific interoperability quirks, and exposure to server-side request forgery. Fedify, a TypeScript





