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Related Experiment Video

Updated: Jul 28, 2025

The Collective Trust Game: An Online Group Adaptation of the Trust Game Based on the HoneyComb Paradigm

The Collective Trust Game: An Online Group Adaptation of the Trust Game Based on the HoneyComb Paradigm

Published on: October 20, 2022

Score-mediated mutual consent and indirect reciprocity.

Marcus Frean¹, Stephen Marsland²

¹School of Engineering and Computer Science, Victoria University of Wellington, Wellington 6012, New Zealand.

Proceedings of the National Academy of Sciences of the United States of America

|May 30, 2023

Summary

This summary is machine-generated.

Cooperation can emerge between strangers without oversight through mutually agreed-upon score management. This system, resembling monetary exchange, enables indirect reciprocity and stable social interactions.

Keywords:

cooperation evolutionary game theory indirect reciprocity

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The HoneyComb Paradigm for Research on Collective Human Behavior

The HoneyComb Paradigm for Research on Collective Human Behavior

Published on: January 19, 2019

Area of Science:

Evolutionary game theory
Behavioral economics
Social dynamics

Background:

Helping strangers is evolutionarily challenging, especially in anonymous interactions.
Indirect reciprocity via reputational scoring motivates cooperation but requires oversight to prevent cheating.

Purpose of the Study:

To investigate score management by mutual consent as an alternative to third-party oversight.
To identify cooperative strategies that can invade and resist invasion in a population.

Main Methods:

Mathematical proofs and computational simulations.
Analysis of a simple cooperation game with a large strategy space.
Evolutionary stability analysis.

Main Results:

Mutual consent for score management enables cooperation without external supervision.
The most successful strategies involve incrementing scores, mirroring monetary token exchange.
A money-like strategy is evolutionarily stable but not decentralized; score conservation favors more money-like strategies.

Conclusions:

Consensual score management provides a viable mechanism for cooperation in anonymous interactions.
Strategies resembling monetary systems are effective but require careful implementation for decentralization.
Score dynamics, particularly the presence of agents with zero score, are inherent to these money-like strategies.