Even after a 50% correction, Bitcoin (BTC -0.15%) remains the largest and most important cryptocurrency in the world, and it’s not even close. With a market cap of $1.3 trillion, Bitcoin accounts for a staggering 60% of the entire crypto market’s value.

For investors wanting exposure to the crypto market, Bitcoin remains the obvious choice. If I could pick only one cryptocurrency to buy right now, it would be Bitcoin.

Bitcoin’s unique risk-reward profile

Bitcoin offers much more than just the potential for stratospheric gains. It is, as BlackRock (BLK +0.63%) suggested last year, a unique portfolio diversifier.

For much of its history, Bitcoin has been completely uncorrelated with any other asset class. That has made it a potential…