Chuck ChenChuck - Technologist in AI engineering and applied cryptography.https://chuckchen.com/Blockchain Privacy Technologieshttps://chuckchen.com/blog/blockchain-privacy-technologies/https://chuckchen.com/blog/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.Blockchainchuck-chenThe Most Important Cryptography Equations: A Comprehensive Guidehttps://chuckchen.com/blog/cryptography-key-equations/https://chuckchen.com/blog/cryptography-key-equations/Foundational mathematical algorithms and structures underlying modern cryptography.MathematicsCryptographychuck-chenfhEVM Quickstarthttps://chuckchen.com/blog/fhevm-quickstart/https://chuckchen.com/blog/fhevm-quickstart/Zama's confidential blockchain protocol brings fully homomorphic encryptions to blockchain data, boasting full state protections that ZKP cannot offer.Blockchainchuck-chenA Deep Dive into BGV, BFV, and CKKS: Modern Fully Homomorphic Encryption Schemeshttps://chuckchen.com/blog/fully-homomorphic-encryption-schemes/https://chuckchen.com/blog/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 implementationsCryptographychuck-chenBuilding GBDT Inference on Encrypted Data with CKKShttps://chuckchen.com/blog/gbdt-inference-with-ckks/https://chuckchen.com/blog/gbdt-inference-with-ckks/A technical deep dive into building privacy-preserving GBDT inference using the CKKS scheme and the Xiao et al. (2019) architecture.Machine Learningchuck-chenGood sleep, good learning, good lifehttps://chuckchen.com/blog/good-sleep-good-learning-good-life/https://chuckchen.com/blog/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.HealthProductivitychuck-chenPapers That Shaped AI Engineering and Agent Developmenthttps://chuckchen.com/blog/important-papers-on-ai-engineering/https://chuckchen.com/blog/important-papers-on-ai-engineering/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."Agentschuck-chenPapers That Shaped Fully Homomorphic Encryption Research and Developmenthttps://chuckchen.com/blog/important-papers-on-fhe/https://chuckchen.com/blog/important-papers-on-fhe/A curated review of foundational papers from theoretical ideas to real-world applications, exploring how Fully Homomorphic Encryption evolved in recent years.Cryptographychuck-chenAhrefs vs Semrush for Keyword Research: Features & Alternativeshttps://chuckchen.com/blog/keyword-research-tools/https://chuckchen.com/blog/keyword-research-tools/Compare Ahrefs and Semrush for keyword discovery, SERP analysis, budgets, and exports, with a repeatable evaluation workflow and alternatives.SEOchuck-chenNumber Theoretic Transform (NTT): Math, Example & Pythonhttps://chuckchen.com/blog/number-theoretic-transform-intro/https://chuckchen.com/blog/number-theoretic-transform-intro/Learn NTT math with a worked polynomial multiplication example, forward and inverse formulas, runnable Python code, and a comparison with FFT.MathematicsCryptographychuck-chenSolidity Best Practices: Security, Gas Optimization, and Code Qualityhttps://chuckchen.com/blog/solidity-best-practices/https://chuckchen.com/blog/solidity-best-practices/A comprehensive guide to writing secure, efficient, and maintainable Solidity smart contracts with battle-tested patterns from production systemsDevelopmentBlockchainchuck-chenSolidity Cheatsheethttps://chuckchen.com/blog/solidity-cheatsheet/https://chuckchen.com/blog/solidity-cheatsheet/A comprehensive reference guide covering the most common Solidity concepts, syntax, and patterns for smart contract developmentDevelopmentchuck-chen