Calvin Lau
Senior Vice President, Blockchain Engineering at Crypto.com
Hong Kong, China
Summary
🎓
Top SchoolCalvin Lau is a senior blockchain engineering leader with 8 years of hands-on experience building and scaling EVM- and Cosmos-based chains at Crypto.com, now leading Cronos zkEVM, Cronos EVM and Cronos POS as SVP. He combines full‑stack fluency (Golang, Rust, TypeScript, React) with a strong emphasis on TDD and clean code, driving protocol engineering, system design and production optimizations. A pragmatic back-end contributor to high-profile open-source projects like Ethermint and Cronos—where he improved JSON-RPC, event handling, Ledger integration and testing infrastructure—he bridges core protocol work with developer tooling and ecosystem growth. Based in Hong Kong, he’s known for shipping practical proofs-of-concept to MVPs and for a bias toward timely delivery summed up by his GitHub quip, “LeBlanc’s Law: Later === Never.”
7 years of coding experience
8 years of employment as a software developer
Overseas Exchange Programme Computer Science, Overseas Exchange Programme Computer Science at Macquarie UniversityThe Chinese University of Hong Kong (CUHK)
English, Chinese, Chinese
Github Skills (12)
golang10
json-rpc10
evm10
cosmos-sdk10
go10
ethereum10
blockchain10
testing10
tendermint9
command-line-interface8
command-line8
cli8
Programming languages (13)
Github contributions (5)
crypto-org-chain/chain-main
Sep 2020 - Jul 2022
Cronos POS Chain⛓: Croeseid Testnet and beyond development
Role in this project:
Back-end Developer
Back-end DeveloperContributions:19 reviews, 8 commits, 5 PRs in 1 year 10 months
Contributions summary:Calvin contributed to the `crypto-org-chain/chain-main` repository by fixing command denom conversion issues and updating dependencies. Their work involved modifying CLI commands and updating Golang to v1.15 in GitHub actions. Additionally, the user added transaction bot functionality based on pystarport, and implemented a MultiSend CLI. This suggests a focus on improving transaction processing and providing utility to the chain.
golangcrocosmos-sdkblockchaincrypto
crypto-org-chain/cronos
Oct 2021 - Aug 2022
Cronos is the first Ethereum-compatible blockchain network built on Cosmos SDK technology. Cronos aims to massively scale the DeFi, GameFi, and overall Web3 user community by providing builders with the ability to instantly port apps and crypto assets from other chains while benefiting from low transaction fees, high throughput, and fast finality.
Role in this project:Back-end Developer
Back-end DeveloperContributions:91 reviews, 14 commits, 15 PRs in 11 months
Contributions summary:Calvin contributed to the Cronos blockchain repository, focusing on enhancing the core functionality. Their work involved modifying events related to gravity transfers, specifically addressing issues with event emission and module assignment. Furthermore, the user added codec registration for crucial message types, ensuring proper serialization and deserialization within the blockchain. The user also addressed issues with Ledger integration and parameter naming conventions.
ethereumweb3abilityblockchain-networkgamefi
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