Just one bitcoin
Bitcoin is the most profitable crypto to all investors. Bitcoin is the first digital asset to hit the crypto market. In fact it was more profitable for its early investors.
Yes, it is more profitable for early investors, and more secure and reliable for new investors compared to altcoins.
Altcoins that are good are actually profitable, but the risk is very high. They will guarantee you more than two or three times your returns of investment, but at the same time, they can make you go back to zero if the crashes.