[
  {
    "name": "Cardano",
    "connectionId": "cardano",
    "chain": "cardano",
    "icon": "https://static.coinstats.app/coins/cardano.png"
  },
  {
    "name": "Litecoin",
    "connectionId": "litecoin", 
    "chain": "litecoin",
    "icon": "https://static.coinstats.app/coins/litecoin.png"
  },
  {
    "name": "Tron",
    "connectionId": "tron",
    "chain": "tron", 
    "icon": "https://static.coinstats.app/coins/tron.png"
  }
]

// Build a comprehensive multi-chain portfolio tracker
async function getMultiChainPortfolio(wallets) {
  const chains = await fetch('https://openapiv1.coinstats.app/wallet/blockchains', {
    headers: { 'X-API-KEY': 'your-api-key' }
  }).then(r => r.json());
  
  const portfolioData = {};
  
  for (const wallet of wallets) {
    const balance = await fetch(`https://openapiv1.coinstats.app/wallet/balance?address=${wallet.address}&connectionId=${wallet.chain}`, {
      headers: { 'X-API-KEY': 'your-api-key' }
    }).then(r => r.json());
    
    portfolioData[wallet.chain] = balance;
  }
  
  return portfolioData;
}

// Usage
const wallets = [
  { chain: 'cardano', address: 'addr1qxy2lpan99fcnf2du5et5gw9qz8w8ky8f8m4lnhfg2r6e9a4zhk3ey7m8f4n8k7e8d5u8m8h3g2f9b8z2y3r6v9x8s' },
  { chain: 'litecoin', address: 'LQTpS7F9y5xPMxbNGqPjRzPz8k7hGa9Xqm' },
  { chain: 'tron', address: 'TLyqzVGLV1srkB7dToTAEqgDSfPtXRJZYH' }
];

const portfolio = await getMultiChainPortfolio(wallets);

# Analyze holdings across all supported chains
import asyncio
import aiohttp

async def analyze_cross_chain_holdings(addresses):
    async with aiohttp.ClientSession() as session:
        tasks = []
        
        for chain, address in addresses.items():
            url = f'https://openapiv1.coinstats.app/wallet/balance'
            params = {'address': address, 'connectionId': chain}
            headers = {'X-API-KEY': 'your-api-key'}
            
            tasks.append(session.get(url, params=params, headers=headers))
        
        responses = await asyncio.gather(*tasks)
        
        total_value = 0
        holdings = {}
        
        for i, response in enumerate(responses):
            chain = list(addresses.keys())[i]
            data = await response.json()
            chain_value = sum(item['amount'] * item['price'] for item in data)
            holdings[chain] = {'value': chain_value, 'assets': data}
            total_value += chain_value
        
        return {'total_value': total_value, 'holdings': holdings}

# Usage
addresses = {
    'cardano': 'addr1qxy2lpan99fcnf2du5et5gw9qz8w8ky8f8m4lnhfg2r6e9a4zhk3ey7m8f4n8k7e8d5u8m8h3g2f9b8z2y3r6v9x8s',
    'litecoin': 'LQTpS7F9y5xPMxbNGqPjRzPz8k7hGa9Xqm',
    'dogecoin': 'DH5yaieqoZN36fDVciNyRueRGvGLR3mr7L',
    'tron': 'TLyqzVGLV1srkB7dToTAEqgDSfPtXRJZYH'
}

portfolio = await analyze_cross_chain_holdings(addresses)