Mechanism Design for Reputation

How do attestation rules shape honesty? Toggle parameters below and watch how incentive structures shift. Each agent has a hidden true quality — the question is whether the mechanism can surface it.

Accuracy:
Round: 0
Honest payoff:
Dishonest payoff:
High true quality
Low true quality
Size = reputation

Mechanism Parameters

1.0x

Population

50%
14

Simulation

Reputation Accuracy Over Time

§ Without negative weight asymmetry, dishonest agents can maintain high reputation indefinitely.
Graph diversity scoring breaks sybil attacks — colluding clusters get penalized.
Attestation cost creates skin in the game — the mechanism becomes incentive-compatible.