Hongxu Yan
Smart Contract Developer at OKX
Hong Kong Island, Hong Kong, Singapore
Summary
🤩
Rockstar🎓
Top SchoolHongxu Yan is a Smart Contract Developer with eight years of experience blending quantitative finance and blockchain engineering, currently contributing to OKX after leading digital asset initiatives at MetaBank. He holds a Computer Science degree from NTU and is completing an M.Sc. in Financial Engineering at NUS, bringing uncommon cross-domain fluency between trading systems, data engineering, and smart contract/back-end blockchain work. His open-source contributions include core protocol and mempool refactors for OKX’s Exchain and improvements to the modular Chain33 framework, including Ethereum-compatible transaction hashing and gas optimizations. Previously he built production trading systems, automated monitoring, and large-scale data ingestion pipelines for institutional quant teams, demonstrating a strong focus on reliability and automation. Colleagues would describe him as a lifelong learner who prefers tackling low-level protocol challenges and turning complex financial data needs into dependable engineering solutions.
8 years of coding experience
2 years of employment as a software developer
Bachelor’s Degree Computer Science, Bachelor’s Degree Computer Science at Nanyang Technological University SingaporeSummer Exchange Computer Science, Summer Exchange Computer Science at Technical University of MunichUniversity of California, Los AngelesMaster's degree Financial Engineering, Master's degree Financial Engineering at National University of Singapore
English, Chinese
Github Skills (14)
golang10
cryptocurrency10
application-framework10
evm10
app-framework10
web-framework10
go10
mpo10
pool10
ethereum10
blockchain10
database-management9
testing8
performance-optimization8
Programming languages (7)
Github contributions (5)
okx/exchain
Dec 2021 - Jan 2023
⛓️ EVM & Wasm $ IBC-compatible, OKTC is a L1 blockchain network built on top of Cosmos SDK that aims for optimal interoperability and performance ✨
Role in this project:
Back-end Developer
Back-end DeveloperContributions:174 reviews, 437 commits, 152 PRs in 1 year
Contributions summary:Hongxu primarily focused on implementing and modifying core back-end functionality related to transaction handling and compatibility within the Exchain blockchain project. Their contributions include refactoring the mempool, modifying the transaction hash algorithm for Ethereum compatibility by using Keccak256, and updating various RPC methods. They also worked on the gas usage optimization within the mempool and adjusted the structure of the code to support the Ethereum transaction encoding.
exchangeproof-of-stakeethereumdecentralized-exchangeblockchain
33cn/chain33
Mar 2020 - Dec 2021
高度模块化, 遵循 KISS原则的区块链开发框架
Role in this project:Back-end Developer
Back-end DeveloperContributions:32 reviews, 17 commits, 87 PRs in 1 year 8 months
Contributions summary:Hongxu primarily contributed to the back-end logic and internal workings of the blockchain framework. Their commits include extending timeout durations in unit tests, adding detailed notes within the code, and optimizing key generation. They also refactored code, deleted unused code, and made updates related to test configurations and block handling. Their work focused on improving the efficiency, and reliability of the underlying blockchain implementation.
golangblockchainframeworkgo
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