Good sleep, good learning, good life
Piotr Wozniak's long-form article on sleep, memory, learning, circadian rhythm, napping, sleep hygiene, and the science behind good sleep.
Blog
Field notes on AI engineering and applied cryptography, from products that actually shipped. By Chuck Chen.
- Health 路 Productivity
- Machine Learning
Building GBDT Inference on Encrypted Data with CKKS
A technical deep dive into building privacy-preserving GBDT inference using the CKKS scheme and the Xiao et al. (2019) architecture.
- Cryptography
Papers That Shaped Fully Homomorphic Encryption Research and Development
A curated review of foundational papers from theoretical ideas to real-world applications, exploring how Fully Homomorphic Encryption evolved in recent years.
- Agents
Papers That Shaped AI Engineering and Agent Development
A curated review of foundational papers from LLM foundations to Agent era, exploring how AI engineers evolved from "model trainers" into "system architects" and "data flywheel builders."
- Blockchain
fhEVM Quickstart
Zama's confidential blockchain protocol brings fully homomorphic encryptions to blockchain data, boasting full state protections that ZKP cannot offer.
- Blockchain
Blockchain Privacy Technologies
Privacy is an unsolved problem in blockchains. Block data are transparent in public blockchains. And technologies including FHE, ZKP, MPC and TEE are utilized to solve it.
- Cryptography
A Deep Dive into BGV, BFV, and CKKS: Modern Fully Homomorphic Encryption Schemes
Comprehensive analysis of three leading FHE schemes with consistent mathematical foundations, comparing their approaches to noise management, parameter selection, and practical implementations
- Mathematics 路 Cryptography
Number Theoretic Transform (NTT): Math, Example & Python
Learn NTT math with a worked polynomial multiplication example, forward and inverse formulas, runnable Python code, and a comparison with FFT.
- SEO
Ahrefs vs Semrush for Keyword Research: Features & Alternatives
Compare Ahrefs and Semrush for keyword discovery, SERP analysis, budgets, and exports, with a repeatable evaluation workflow and alternatives.
- Development 路 Blockchain
Solidity Best Practices: Security, Gas Optimization, and Code Quality
A comprehensive guide to writing secure, efficient, and maintainable Solidity smart contracts with battle-tested patterns from production systems
- Development
Solidity Cheatsheet
A comprehensive reference guide covering the most common Solidity concepts, syntax, and patterns for smart contract development
- Mathematics 路 Cryptography
The Most Important Cryptography Equations: A Comprehensive Guide
Foundational mathematical algorithms and structures underlying modern cryptography.