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Large Language Model (LLM)-based agentic systems have shown strong capabilities across various tasks. However, existing multi-agent frameworks often rely on static or task-level workflows, which either over-process simple queries or…

Artificial Intelligence · Computer Science 2026-02-16 Jinwei Su , Qizhen Lan , Yinghui Xia , Lifan Sun , Weiyou Tian , Tianyu Shi , Xinyuan Song , Lewei He , Yang Jingsong

Autonomous AI agents now transact at production scale -- 69,000 bots executing 165 million transactions across 50 million USDC in cumulative volume on a single marketplace -- without any shared trust layer between participants. Regulatory…

Cryptography and Security · Computer Science 2026-05-11 Lars Kersten Kroehl

With the rapid evolution of Large Language Models (LLMs), LLM-based agents and Multi-agent Systems (MAS) have significantly expanded the capabilities of LLM ecosystems. This evolution stems from empowering LLMs with additional modules such…

Multiagent Systems · Computer Science 2025-03-14 Miao Yu , Fanci Meng , Xinyun Zhou , Shilong Wang , Junyuan Mao , Linsey Pang , Tianlong Chen , Kun Wang , Xinfeng Li , Yongfeng Zhang , Bo An , Qingsong Wen

We propose the Agent Economy, a blockchain-based foundation where autonomous AI agents operate as economic peers to humans. Current agents lack independent legal identity, cannot hold assets, and cannot receive payments directly. We…

Cryptography and Security · Computer Science 2026-02-17 Minghui Xu

The implementation of agentic AI systems has the potential of providing more helpful AI systems in a variety of applications. These systems work autonomously towards a defined goal with reduced external control. Despite their potential, one…

Artificial Intelligence · Computer Science 2025-11-13 Niclas Flehmig , Mary Ann Lundteigen , Shen Yin

LLM-based agents are increasingly deployed in multi-agent systems (MAS). As these systems move toward real-world applications, their security becomes paramount. Existing research largely evaluates single-agent security, leaving a critical…

Multiagent Systems · Computer Science 2025-11-17 Nirmit Arora , Sathvik Joel , Ishan Kavathekar , Palak , Rohan Gandhi , Yash Pandya , Tanuja Ganu , Aditya Kanade , Akshay Nambi

Agentic AI governance is a critical component of agentic AI infrastructure ensuring that agents follow their owner's communication and interaction policies, and providing protection against attacks from malicious agents. The…

Cryptography and Security · Computer Science 2026-05-13 Matthew D. Laws , Alina Oprea , Cristina Nita-Rotaru

Authorizing Large Language Model (LLM)-driven agents to dynamically invoke tools and access protected resources introduces significant security risks, and the risks grow dramatically as agents engage in multi-turn conversations and scale…

Artificial Intelligence · Computer Science 2026-05-05 Majed El Helou , Benjamin Ryder , Chiara Troiani , Jean Diaconu , Hervé Muyal , Marcelo Yannuzzi

The rapid advancement of large language models (LLMs) has empowered intelligent agents to leverage diverse external tools for solving complex real-world problems. However, this reliance introduces new challenges, as extended contexts and…

Artificial Intelligence · Computer Science 2025-09-03 Zhitian Xie , Qintong Wu , Chengyue Yu , Chenyi Zhuang , Jinjie Gu

LLM-based multi-agent systems (MAS) demonstrate increasing integration into next-generation applications, but their safety in backdoor attacks remains largely underexplored. However, existing research has focused exclusively on single-agent…

Cryptography and Security · Computer Science 2025-10-14 Pengyu Zhu , Lijun Li , Yaxing Lyu , Li Sun , Sen Su , Jing Shao

Generative and agentic artificial intelligence is entering financial markets faster than existing governance can adapt. Current model-risk frameworks assume static, well-specified algorithms and one-time validations; large language models…

Computers and Society · Computer Science 2025-12-16 Eren Kurshan , Tucker Balch , David Byrd

AI is moving from domain-specific autonomy in closed, predictable settings to large-language-model-driven agents that plan and act in open, cross-organizational environments. As a result, the cybersecurity risk landscape is changing in…

Cryptography and Security · Computer Science 2026-02-03 Alsharif Abuadbba , Nazatul Sultan , Surya Nepal , Sanjay Jha

The rise of autonomous AI agents, capable of perceiving, reasoning, and acting independently, signals a profound shift in how digital ecosystems operate, govern, and evolve. As these agents proliferate beyond centralized infrastructures,…

Multiagent Systems · Computer Science 2025-04-23 Rajesh Ranjan , Shailja Gupta , Surya Narayan Singh

When combining Large Language Models (LLMs) with autonomous agents, used in network monitoring and decision-making systems, this will create serious security issues. In this research, the MAESTRO framework consisting of the seven layers…

Cryptography and Security · Computer Science 2025-08-15 Pallavi Zambare , Venkata Nikhil Thanikella , Ying Liu

Large Language Model based multi-agent systems are revolutionizing autonomous communication and collaboration, yet they remain vulnerable to security threats like unauthorized access and data breaches. To address this, we introduce…

Artificial Intelligence · Computer Science 2025-07-09 Junyuan Mao , Fanci Meng , Yifan Duan , Miao Yu , Xiaojun Jia , Junfeng Fang , Yuxuan Liang , Kun Wang , Qingsong Wen

Large Language Model (LLM) agents have emerged as key intermediaries, orchestrating complex interactions between human users and a wide range of digital services and LLM infrastructures. While prior research has extensively examined the…

Cryptography and Security · Computer Science 2026-05-13 Zi Liang , Ronghua Li , Yanyun Wang , Qingqing Ye , Haibo Hu

Decentralized multi-agent systems have shown promise in enabling autonomous collaboration among LLM-based agents. While AgentNet demonstrated the feasibility of fully decentralized coordination through dynamic DAG topologies, several…

Multiagent Systems · Computer Science 2025-12-02 Goutham Nalagatla

Multi-agent systems (MAS) powered by artificial intelligence (AI) are increasingly foundational to complex, distributed workflows. Yet, the security of their underlying communication protocols remains critically under-examined. This paper…

Cryptography and Security · Computer Science 2025-11-07 Yedidel Louck , Ariel Stulman , Amit Dvir

Over the past decades, superplatforms, digital companies that integrate a vast range of third-party services and applications into a single, unified ecosystem, have built their fortunes on monopolizing user attention through targeted…

Artificial Intelligence · Computer Science 2025-05-26 Jianghao Lin , Jiachen Zhu , Zheli Zhou , Yunjia Xi , Weiwen Liu , Yong Yu , Weinan Zhang

AI agents are increasingly deployed across diverse domains to automate complex workflows through long-horizon and high-stakes action executions. Due to their high capability and flexibility, such agents raise significant security and safety…