Yes everything has value because people agree so. The same applies to fiat. In reality, fiat is just a piece of paper and we all agree that it has value. The only difference between fiat and Bitcoin as well. People can use tokens to transfer values globally, because tokens have a perceived value that is determined by supply and demand on the open market.
and there is a such advance way of how are you able to use coins this currency because the technology are upgrade and more people are may have to based on this kind of transaction bitcoin value are pretty good on.