Bear Wang
Rust 开发工程师 at 上海翼太源信息科技有限公司
Hangzhou City, Zhejiang, China
Summary
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Rockstar🎓
Top SchoolBear Wang is a Rust developer with 11 years of experience specializing in blockchain systems and decentralized cross-chain networks, currently building on the Substrate framework in Hangzhou. He has a strong backend focus, contributing to high-profile open-source projects like Parity’s Polkadot SDK and Frontier (Ethereum compatibility for Substrate), where he improved core messaging, payment logic, RPC handling, and gas/transaction reliability. Previously he helped evolve the enterprise-grade CITA blockchain kernel, working on system contracts and chain metadata that underpin production consortium chains. Pragmatic and detail-oriented, he often tackles subtle correctness issues—transaction weight/gas limits and relayer reward calculations—that materially improve system robustness. Comfortable adopting new technologies, he notes a deliberate resistance to adopting new ways of thinking, suggesting a thoughtful, evidence-driven engineering style. Trained in computer science at Henan University, he blends academic grounding with a decade of hands-on blockchain engineering.
11 years of coding experience
学士, 计算机科学与技术, 学士, 计算机科学与技术 at 河南大学
Stackoverflow
387reputation
10kreached
0answers
19questions
Github Skills (25)
substrate10
solidity10
messaging-system10
evm10
polkadot-js10
rpc10
ethereum10
blockchain10
smart-contracts10
rust10
polkadot10
architecture9
data-structure9
algorithms9
gas-optimization9
Programming languages (15)
Github contributions (5)
citahub/cita
Jun 2018 - Jan 2020
A high performance blockchain kernel for enterprise users.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:3 releases, 235 commits, 143 PRs in 1 year 6 months
Contributions summary:Bear primarily focused on modifying and updating system contracts within the CITA blockchain repository. Their contributions included formatting system contracts, fixing errors, and renaming variables to support the renaming of the chain. They also worked on adding functionality related to setting and getting chain information and block intervals, enhancing the core functionality of the blockchain kernel. The code changes also include modifications to other system contracts, such as the Node Manager, to align with the overall blockchain system.
kernelconsensusrustblockchainconsortium
polkadot-evm/frontier
Jan 2021 - Jan 2023
Ethereum compatibility layer for Substrate.
Role in this project:Back-end Developer
Back-end DeveloperContributions:272 reviews, 25 commits, 280 PRs in 2 years
Contributions summary:Bear primarily focused on enhancing the Ethereum compatibility layer for Substrate. Their contributions involved modifying RPC handling, correcting transaction loading, and improving gas estimation. They also addressed issues related to transaction failures and incorrect log data management, enhancing the reliability of the system. Furthermore, the user implemented checks related to transaction weight, gas limit, and fixed related test cases.
substrateethereumrustblockchainevm
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