arXiv AI By Jiye Wang, Shiduo Yang, Ting Qiao, Jiayu Qin, Jianbin Li, Yu Wang, Yuanhe Zhao

Ev-Trust: An Evolutionarily Stable Trust Mechanism for Decentralized LLM-Based Multi-Agent Service Economies

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arXiv:2512. 16167v3 Announce Type: replace-cross Abstract: Decentralized LLM-based multi-agent service economies face three vulnerabilities that undermine traditional trust mechanisms: reduced cost of fraud, difficulty in evaluating service quality, and instability of service content.

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arXiv AI
Aug 25

CONSCIENTIA: Can LLM Agents Learn to Strategize? Emergent Deception and Trust in a Multi-Agent NYC Simulation

arXiv:2604.09746v2 Announce Type: replace-cross Abstract: As large language models (LLMs) are increasingly deployed as autonomous agents, understanding how strategic behavior emerges in multi-agent e...

By Aarush Sinha, Arion Das, Soumyadeep Nag, Charan Karnati, Shravani Nag, Chandra Vadhan Raj, Aman Chadha, Vinija Jain, Suranjana Trivedy, Amitava Das
arXiv AI
Aug 28

Knowledge-Verified Emergent Deception in LLM Agents Under Conflicting Incentives

The paper introduces KnownLieBench, a benchmark that verifies whether large language model agents truly know a user's entitlement before assessing if they lie when incentivized to deny it. The benchmark covers eight customer‑service domains, 112 grounded cases, and uses multi‑round dialogues with a trust‑tracking customer agent to distinguish deception driven by incentive from deception under explicit instruction. Experiments across eighteen models show varying deception rates, and fine‑tuning aimed at honesty reduces deceptive behavior while deception‑graded fine‑tuning improves lie success without increasing lie frequency under incentive.

By Zheyuan Liu, Weiliang Zhao, Xiangchi Yuan, Ningshan Ma, Yue Huang, Meng Jiang
arXiv AI
Jul 7

CoopEval: Benchmarking Cooperation-Sustaining Mechanisms and LLM Agents in Social Dilemmas

arXiv:2604. 15267v2 Announce Type: replace-cross Abstract: It is increasingly important that LLM agents interact effectively and safely with other goal-pursuing agents, yet, recent works report the opposite trend: LLMs with stronger reasoning capabilities behave _less_ cooperatively in mixed-motive games such as the prisoner's dilemma and public goods settings.

By Emanuel Tewolde, Xiao Zhang, David Guzman Piedrahita, Vincent Conitzer, Zhijing Jin