"📊CoinDesk brings a fresh perspective on Bitcoin's bull runs: It's not just about the halvings! 🔍 According to MacroMicro data, the real fuel might be the growth in fiat currency supply. Key players to watch? The big four central banks. Their M2 money supply increases have historically correlated with BTC bull markets. 🚀💵 #BitcoinEconomics #CentralBankImpact"