GET /api/mobile/leaderboard - YouthChain

Request

GET /api/mobile/leaderboard?limit=50

Query params

integer

default:"50"

Number of entries to return. Max 200.

Response — `200 OK`

{
  "count": 50,
  "leaderboard": [
    {
      "rank": 1,
      "address": "0x...",
      "engagementScore": 12.4,
      "tier": "Diamond",
      "txCount": 412
    }
  ]
}

Entries are sorted descending by engagementScore, with ties broken by earlier registration date.