Shadow Ledger for Aggregate Visibility
Provide transparency into sponsorship patterns WITHOUT tracking individual users.
❌ NOT tracked:
✅ Exposed (aggregate only):
GET /exposure
Response:
{
"period": "2026-01-18",
"aggregate_stats": {
"total_sponsored_responses": 1247,
"unique_sponsors": 43,
"average_affinity": 0.82,
"top_categories": ["tech", "finance", "education"]
},
"sponsor_frequency": [
{
"domain": "example.com",
"count": 156,
"percentage": 12.5,
"avg_affinity": 0.89,
"categories": ["tech", "cloud"]
},
{
"domain": "another.com",
"count": 98,
"percentage": 7.9,
"avg_affinity": 0.85,
"categories": ["finance"]
}
],
"query_patterns": [
{
"category": "tech",
"sponsored_rate": 0.23,
"avg_affinity": 0.84
},
{
"category": "finance",
"sponsored_rate": 0.31,
"avg_affinity": 0.88
}
],
"privacy": "no_user_tracking",
"covenant": "FCS-4.0"
}
Live exposure graph available at: