Yongyang Lv
Portrait of Yongyang Lv speaking at an academic event
Tianjin · China

Assistant Professor · Tianjin University

吕永阳Yongyang Lv

Email me Selected work
01

About

Security at the boundaries between systems.

I am Yongyang Lv, an Assistant Professor at the School of Computer Science and Technology, Tianjin University. My research interests include network security, data security, blockchain security, AI security, AI access control, and secure data sharing.

My recent work explores cross-chain authentication and interoperability, privacy-preserving data exchange, and secure healthcare data management.

02

Research

Research interests

Building dependable mechanisms for data, identity, and trust across system boundaries.

01

Network & Data Security

Secure data management, access control, identity authentication, and privacy protection in distributed systems.

02

Blockchain & Cross-chain Security

Cross-chain authentication, blockchain interoperability, protocol design, and formal security analysis.

03

AI Security & AI Access Control

AI-driven access control and security for LLMs and AI agents, covering privilege-escalation prevention, secure shared-memory management, and forgetting mechanisms.

04

Healthcare & IoT Security

Secure personal health record sharing, blockchain-enabled healthcare, and trustworthy IoT data exchange.

03

Selected publications

Selected work

A selection of recent publications.

  1. 2026

    Privacy-Enhancing Encryption in Data Sharing: A Survey on Security, Performance and Functionality

    Yongyang Lv, Xiaohong Li, Ruitao Feng, Xinyu Li, Guangdong Bai, Leo Zhang, Lili Quan, Willy Susilo

    Preprint, 2026

    View ↗
  2. 2026

    Formal Verification and Improvement of the XCMP Protocol: Enhancing Cross-chain Interaction Security

    Yongyang Lv, Ruitao Feng, Zimo Wang, Junchao Liu, Hanwei Wu, Xiaohong Li

    Journal of Software, 37(6), 2477–2509

    DOI ↗
  3. 2026

    MediChainAudit: Encrypted Medical Data Auditing on Blockchain with Fuzzy Deduplication and Secure Sharing

    Jie Zhang, Xiaohong Li, Ruitao Feng, Shanshan Xu, Yongyang Lv, Zhe Hou, Guangdong Bai

    IEEE Transactions on Dependable and Secure Computing (TDSC)

    DOI ↗
  4. 2026

    MUPSI: A Multi-party Updatable Delegated Private Set Intersection Protocol for Privacy-Preserving Medical Data Collaboration

    Weihao Mo, Yude Bai, Yongyang Lv, Luxue Yu, Can Gao, Zimo Wang, Yao Zhang

    22nd International Conference on Intelligent Computing (ICIC 2026), 26–37

  5. 2025

    MedExChain: Enabling Secure and Efficient PHR Sharing Across Heterogeneous Blockchains

    Yongyang Lv, Xiaohong Li, Kui Chen, Zhe Hou, Guangdong Bai, Ruitao Feng

    IEEE Internet of Things Journal

    DOI ↗
  6. 2024

    Reinventing Multi-User Authentication Security From Cross-Chain Perspective

    Yongyang Lv, Ruitao Feng, Maode Ma, Manqing Zhu, Hanwei Wu, Xiaohong Li

    IEEE Transactions on Information Forensics and Security, 19, 8908–8923

    DOI ↗
  7. 2024

    Cross-chain Sharing of Personal Health Records: Heterogeneous and Interoperable Blockchains

    Yongyang Lv, Xiaohong Li, Yingwenbo Wang, Kui Chen, Zhe Hou, Ruitao Feng

    2024 IEEE International Conference on Bioinformatics and Biomedicine (BIBM), 3588–3591

    View ↗
  8. 2020

    Heterogeneous Cross-Domain Identity Authentication Scheme Based on Proxy Resignature in Cloud Environment

    Yongyang Lv, Wenju Liu, Ze Wang

    Mathematical Problems in Engineering

    DOI ↗
04

Patents

Granted patents

Chinese invention patents in cross-chain data sharing and secure data exchange.

  1. 2025

    一种基于 IPFS 安全搜索的跨链数据共享方法

    中国发明专利 · ZL 2024 1 1166976.6

    申请 2024.08.23 · 授权 2025.3.28

  2. 2025

    一种在不同密码体制间实现跨链数据共享的方法

    中国发明专利 · ZL 2024 1 1166977.0

    申请 2024.08.23 · 授权 2025.2.18

05

Awards

Competition awards

National honors won in innovation, entrepreneurship and academic competitions.

  1. 2023.04

    第八届“互联网+”大学生创新创业大赛 · 全国金奖

  2. 2023.03

    第十三届“挑战杯”大学生创业计划竞赛 · 全国金奖

  3. 2023.12

    第十八届“挑战杯”全国大学生课外学术科技作品竞赛 · 全国特等奖

  4. 2023.11

    第六届中国青年志愿服务公益创业赛 · 全国金奖

  5. 2024.12

    2024年大学生新文科实践创新大赛 · 全国金奖

06

Honors

Major honors

Major national and municipal honors.

  1. 国家级

    全国大学生暑期实践团队 TOP10（负责人）

  2. 国家级

    全国“三下乡”社会实践优秀团队（负责人）

  3. 国家级

    团中央2025年大学生“三下乡”社会实践重点联系团队（负责人）

  4. 国家级

    入选2026年全国大学生“两弹一星”精神志愿宣讲团

  5. 国家级

    入选2026年全国大学生“勤俭节约”宣讲团

  6. 国家级

    研究生国家奖学金

  7. 天津市

    天津市高校“大学生年度人物”

  8. 天津市

    天津市王克昌奖学金特等奖

  9. 天津市

    天津市大学生创业奖学金特等奖

  10. 天津市

    天津市优秀学生

  11. 天津市

    天津市优秀学生干部

  12. 天津市

    天津市“三下乡”社会实践先进个人

  13. 天津市

    天津市“三下乡”社会实践先进团队

  14. 天津市

    天津市“新时代∙乡村振兴实践行”先进个人标兵

  15. 天津市

    天津市“新时代∙乡村振兴实践行”先进集体标兵

07

Research projects

Participating national research projects

National research projects in which Yongyang Lv participates.

  1. 国家自科

    开源软件可信性分析与保障方法（重点项目）

    国家自然科学基金重点项目 · 项目编号 62332005

  2. 重点研发

    大型队列间联合研究柔性化大数据云平台支撑系统研发

    国家重点研发计划 · 项目编号 2021YFF1201102

  3. 重点研发

    跨社交媒体网络舆情传播与效果评估技术

    国家重点研发计划 · 项目编号 2023YFB3107100

08

Mentored projects

Mentored national projects

National Innovation and Entrepreneurship Training Programs for College Students mentored by Yongyang Lv.

  1. 2022

    基于区块链的患者隐私数据保护与利用的研究

    国家级大学生创新创业训练计划项目

  2. 2022

    基层数据治理下的数据审计方案研究

    国家级大学生创新创业训练计划项目

  3. 2023

    基于区块链的跨队列医疗数据共享方法的研究

    国家级大学生创新创业训练计划项目

  4. 2026

    基于人工智能访问控制的联邦LoRA方法研究

    国家级大学生创新创业训练计划项目

  5. 2026

    基于动态短效凭证的智能体防越权访问方案研究

    国家级大学生创新创业训练计划项目

  6. 2026

    面向多用户 LLM Agent 的共享记忆安全管控与遗忘机制的设计与实现

    国家级大学生创新创业训练计划项目

09

Experience

Academic path

2025-Present

Assistant Professor

Tianjin University · School of Computer Science and Technology

2021-2025

Doctoral Study

Tianjin University

Contact

Let’s discuss research and collaboration.

lvyongyang@tju.edu.cn

School of Computer Science and Technology · Tianjin University