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Notes

Chaoran Huang

Longer-form write-ups on cryptography, machine learning, systems, and pricing — with diagrams, math, and worked examples.

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Series

Series · Cryptography · Outline

From Definitions to Computing on Secrets

Six parts: what "secure" means, a secure channel, authentication, zero-knowledge proofs, and computing on data nobody can see.

Series · NLP

From One-Hot to BERT

How NLP learned to represent meaning — from one-hot vectors to contextual embeddings.

Series · LLMs

From Representation to Behavior

The roadmap from a pre-trained transformer to an aligned, reasoning assistant.

Standalone notes

Note · Systems

Bits, Math, Hashes, Streams

Bit operations, modular arithmetic, hashing, and streams — rebuilt from first principles.

Note · Pricing

One Equation: ψ(p*) = c

A geometry-first walk from a high-school derivative to optimal pricing.