@sentinel-atl/reputation

Weighted reputation scoring with negative vouches, Sybil resistance, and rate-limited vouching.

Features

• Weighted scoring — 90-day half-life exponential decay
• Negative vouches — 2x weight multiplier for accountability
• Quarantine — automatic at 3+ verified negative vouches
• Sybil resistance — rate-limited vouching (1 vouch per source→target per 24h)

Install

npm install @sentinel-atl/reputation

Quick Start

import { ReputationEngine } from '@sentinel-atl/reputation';

const engine = new ReputationEngine();

engine.vouch({
  sourceDid: 'did:key:z6MkAlice...',
  targetDid: 'did:key:z6MkBob...',
  score: 0.9,
  evidence: 'Completed task successfully',
});

const rep = engine.getReputation('did:key:z6MkBob...');
console.log(rep.score);       // 0.9
console.log(rep.quarantined); // false

API

| Method | Description | |---|---| | new ReputationEngine() | Create a reputation engine | | vouch(vouch) | Submit a vouch (positive or negative) | | getReputation(did) | Get current reputation score | | isQuarantined(did) | Check quarantine status |

License

MIT