Citi predicts bitcoin could hit $135,000 by 2025, with a bull case of $199,000 and bear case of $64,000, driven by ETF demand and adoption. 📈💰

- Citi forecasts bitcoin at $135,000 by end of 2025.

- Bull case sees $199,000, bear case $64,000.

- ETF inflows drive over 40% of price moves.