Can $1 million last 30 years?

I'm wondering, could a million dollars stretch for a full thirty years? Given the volatile nature of the financial world, especially when it comes to cryptocurrencies and other investments, it's a complex question. With inflation, market fluctuations, and personal spending habits all taken into account, it's not a straightforward calculation. Could you possibly elaborate on the factors that might determine whether such a sum could sustainably support someone for such a length of time? I'm particularly interested in understanding how the crypto market might impact this scenario.