About me

Hi, I am Hongyin Chen. I am a fourth-year Ph.D. student at Peking University, advised by Prof. Xiaotie Deng. I obtained my Bachelor’s degree from the first Turing Class in EECS dept, Peking University.

My research interests are blockchain, mechanism design, algorithmic game theory, and reinforcement learning.

Contact: chenhongyin[at]pku.edu.cn

Selected Papers

(*) denotes equal contribution

• FileInsurer: A Scalable and Reliable Protocol for Decentralized File Storage in Blockchain.
  Hongyin Chen*, Yuxuan Lu*, Yukun Cheng.
  ICDCS 2022.
  [PDF],[Code]
• ABSNFT: Securitization and Repurchase Scheme for Non-Fungible Tokens Based on Game Theoretical Analysis.
  Hongyin Chen, Yukun Cheng, Xiaotie Deng, Wenhan Huang, Linxuan Rong.
  Financial Cryptography and Data Security 2022.
  [PDF],[Code]
• Sybil-Proof Diffusion Auction in Social Networks.
  Hongyin Chen, Xiaotie Deng, Ying Wang, Yue Wu, Dengji Zhao.
  To appear in AAMAS 2023.
  [PDF],[Code]
• An Efficient and Robust Committee Structure for Sharding Blockchain.
  Mengqian Zhang*, Jichen Li*, Zhaohua Chen*, Hongyin Chen*, Xiaotie Deng.
  To appear in IEEE Transactions on Cloud Computing.
  [PDF],[Code]
• A Provable Softmax Reputation-Based Protocol for Permissioned Blockchains.
  Hongyin Chen*, Zhaohua Chen*, Yukun Cheng, Xiaotie Deng, Wenhan Huang, Jichen Li, Hongyi Ling*, Mengqian Zhang.
  To appear in IEEE Transactions on Cloud Computing.
  [PDF],[Code]
• Cycledger: A scalable and secure parallel protocol for distributed ledger via sharding.
  Mengqian Zhang*, Jichen Li*, Zhaohua Chen*, Hongyin Chen*, Xiaotie Deng.
  IPDPS 2020 bestpaper candidate.
  [PDF],[Code]

Experience

   Sept. 2020 - : Peking University, Beijing

     PhD student

     Advisor: Xiaotie Deng

   Sept. 2023 - Aug. 2024: Technion, Haifa

     Visiting Student

     Advisor: Ittay Eyal

   Mar. 2023 - Aug. 2023: Singapore Management University, Singapore

     Research asistant

     Advisor: Guomin Yang

   Sept. 2016 - July. 2020: Peking University, Beijing

     B.S. in Turing Class, Computer Science (summa cum laude)

     Advisor: Xiaotie Deng

Teaching

• TA of Theoretical Foundations in Blockchain Technology by Prof. Xiaotie Deng, Fall 2022.
• TA of Theoretical Foundations in Blockchain Technology by Prof. Xiaotie Deng, Fall 2020.
• TA of Discrete Math (II) and Interactions by Prof. Xiaotie Deng, Spring 2020.
• TA of Theoretical Foundations in Blockchain Technology by Prof. Xiaotie Deng, Fall 2019.
• TA of Algorithm Design and Analysis by Prof. Tingting Jiang, Spring 2019.

Miscellaneous

• Sports: basketball, swimming, tennis.
• Video Games: League of Legends, Monster Hunter, Animal Crossing, and so on.

Service

Reviewer: AsiaCrypt 2022; WWW 2022; ICDCS 2022; AFT 2022; TCC; JSAC.

Counselor of 4th-year Turing Class, Peking University.