People are always feel easy to not carry out the fiat in their pocket and want to become modern people in the world with fully secured system and can use digital money anywhere in the world. Crypto currency is the solution and future of the money in the form of new money in the world. All the big countries are accepting to it and many big establishment are going for crypto which can not stop by any old thinking person. So it will be grow definitely.
yes Cryptocurrency will definitely develop so that in the future it will become increasingly popular.
as you say all major countries can accept Crypto and make solutions as a form of money, but it's not easy to make it happen, because in every country it's not always easy to make it happen.
Cryptocurrency is one good tool and can provide great benefits but he will stay alive and can continue to grow or not, me does not know, because in the future what will happen no one knows.