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2 articles

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Anatomy of a Sphinx Packet: The Cryptographic Heart of NOX

Inside the Sphinx packet format — how layered encryption, MACs, and SURBs enable anonymous bidirectional communication through mix networks.

·83 min read
mixnetcryptographySphinx
research

A Brief History of Hiding: From Chaum's Mixes to Loopix

Tracing the evolution of anonymous communication — from David Chaum's 1981 paper through remailers, onion routing, and the Poisson mixing revolution.

·182 min read
mixnetprivacyhistory