Kevin Tsai(蔡承凱) Currently working at Taidoc Technology, responsible for maintaining and implementing various modules of PLM (Product Lifecycle Management) system. Over 20 years of practical experience in the field of PLM (Product Lifecycle Management), including expertise in PC (Product Collaboration), PPM (Product Portfolio Management), and PG&C (Project Governance & Compliance) modules. 2 years of experience in Shop Floor System and CIM (Computer Integrated Manufacturing). Well-versed in both client-side and consulting roles, with a diverse range of experience, ability to accurately understand and address customer needs. Strong advantage in quickly learning new

Co., Ltd. 十二月Present 1 .Established a web3 team, including technology, game development, and marketing operation teams. 2 .Collaborated with international teams on story concepts, game design development, and community operation. 3 .Planned and produced GameFi projects. 4 .Developed smart contracts and MINT plans. Executive Vice President, Game Producer • PHOENIX CO., LTD 五月Present 1. Served as the game producer for the Crazy Fishing series. 2. Managed the online version of Crazy Fishing 5, a game featuring six language systems, including Chinese, English

and tested bridge features for cross-chain interactions Enhanced bridge validator logic for improved functionality Upgraded, tested, and restructured the repository using Typescript and Docker to boost performance and readability ThunderCore PoS Staking Developed the official staking protocol, reaching a TVL milestone of over $5,000,000 Designed and programmed smart contracts for the staking protocol. Conducted unit tests, end-to-end testing, and implemented data visualization using subgraphs and Metabase. Created a library supporting the staking product. Tech stack: Solidity, hardhat, Typescript dAPP Development Maintained and developed smart contracts for Dapps, including an on-chain lending

DAO. 2022//01 Built 2 DAPPs, which are “MATRIX NFT mint/reveal experience" and "DAO Internal Investment protocol”. MATRIX NFT mint/reveal experience successfully allowed nearly 110 users to complete Mint and Reveal NFT. The DAO internal investment agreement involves 4 sets of smart contracts and multiple investment rounds. It is the main investment protocol for DAO members to invest in the primary market projects obtained by DAO. Each project handles at least 100,000 USD and more than 160 investors. Simultaneously hold the positions of “UIUX” and “PM” and