ALPHA_VANTAGE_API_KEY=alpha_vantage_api_key_placeholder
OPENAI_API_KEY=openai_api_key_placeholder
FRED_API_KEY=fred_api_key_placeholder

# Crypto Exchange API Keys (for CCXT - optional, only needed for trading)
BINANCE_API_KEY=binance_api_key_placeholder
BINANCE_API_SECRET=binance_api_secret_placeholder
COINBASE_API_KEY=coinbase_api_key_placeholder
COINBASE_API_SECRET=coinbase_api_secret_placeholder
KRAKEN_API_KEY=kraken_api_key_placeholder
KRAKEN_API_SECRET=kraken_api_secret_placeholder

# Crypto Data Provider Keys
GLASSNODE_API_KEY=glassnode_api_key_placeholder
MESSARI_API_KEY=messari_api_key_placeholder