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5 posts
Current authentication proves who you are, but not where you are. SITUS Protocol introduces Environmental Entropy Vectors — a cryptographic primitive that binds every authentication event to the unrepeatable physical context in which it occurs. Credentials become non-relocatable.
ZK proofs used to be academic curiosities. In 2026, they're in production identity systems, blockchain rollups, and privacy-preserving analytics. A practical guide for developers entering the space.
NIST has finalized post-quantum standards. The harvest-now-decrypt-later threat is real. Here's a practical migration roadmap for engineering teams that can't afford to wait.
Login is solved. The rest isn't. AVIK is a new protocol that addresses what happens after authentication — session replay, unbound high-risk operations, and recovery downgrades — with four composable cryptographic controls.
Homomorphic encryption lets you compute on data without decrypting it. Once a theoretical curiosity, it's now fast enough for real applications in healthcare, finance, and privacy-preserving ML.