Analysts cite diminishing supply post-halving cycles as a critical bullish factor amid growing global macroeconomic uncertainty. If Bitcoin were to reach $21 million per coin, its implied market capitalization would be about $441 trillion. Bitcoin (BTC) , launched in January 2009 as the first decentralised digital currency, pioneered blockchain-based finance and had a major impact on global financial systems and digital assets. With its capped supply of 21 million coins, steady institutional adoption and developments such as layer-two scaling solutions, Bitcoin has maintained its position as the largest cryptocurrency by market capitalisation in 2025. Blockchain analytics firms integrating wallet activity patterns into bitcoin price forecast 5 years point toward $200K milestones coinciding with institutional sector maturity.