{
  "name": "Portfolio",
  "type": "object",
  "properties": {
    "crypto_id": {
      "type": "string",
      "description": "ID de la criptomoneda (btc, eth, etc.)"
    },
    "crypto_name": {
      "type": "string",
      "description": "Nombre de la criptomoneda"
    },
    "amount": {
      "type": "number",
      "description": "Cantidad de la criptomoneda"
    },
    "avg_buy_price": {
      "type": "number",
      "description": "Precio promedio de compra en USD"
    }
  },
  "required": [
    "crypto_id",
    "crypto_name",
    "amount",
    "avg_buy_price"
  ]
}