Bitcoin should become more stable in order to be a popular method of payment.Bitcoin or Altcoins have the potential to compete with fiat currency. they can be treated as a method of payment and a safe storage of value.
We are talking about decentralized money and still we want to regulate it ? It is like we are standing under open sky on a shiny day and want to dry up our sweat ! Bitcoin is getting popularity and it is safest if you know how to deal with it. And if you talk about potential, Both fiat and crypto have potentials. They will not replace each other. rather they will be side by side.
The more you will educate your community about crypto, the better. And Crypto will become popular globally