As for me, bitcoin should be perfect for this business. He and more stable and very well is gaining momentum for growth. And its best to use.
good growth and Bitcoin can become Bullrun later, if Bitcoin rises chances are Altcoin will also follow up.
to choose, we must investigate and not choose the wrong one because not all Cryptocurrency is good and we must be good at choosing it.
Bitcoin is the king of coins so he is the best choice and the risk is not too big because he is stable.