Bitcoin is increasingly considered a disruptive option for retirement planning, despite its volatility. Over the past four years, Bitcoin has risen by 166.7%, prompting discussions on its potential as a retirement asset. Projections suggest that to retire with Bitcoin in the next five years, an investor might need between 2 and 5 BTC, depending on the asset's price trajectory and withdrawal strategies. VanEck's Matthew Sigel predicts Bitcoin could reach $1 million by 2031, while other estimates from Standard Chartered and Fundstrat range between $120,000 and $250,000 by 2026. Institutional adoption is accelerating, with pension funds like the New York State Common Retirement Fund increasing their Bitcoin exposure through investments in MicroStrategy. This trend signifies Bitcoin's transition from a speculative asset to a component of institutional retirement plans. However, retiring solely with Bitcoin by 2030 carries risks due to its historical volatility, with potential drops exceeding 70%. Experts recommend diversification, suggesting Bitcoin allocations of 1% to 5% of a portfolio, depending on individual risk tolerance and investment horizon.