Objectively, the money is just a sheet of paper, why? The paper is recognized by the state government to ensure that, so what is the guarantee? that is gold. Which country more and more gold, wealth assets are terrible, that currency is priced compared to other currencies. To understand more about currency you can see the book "War Money" nhé!
Bitcoin is generally accepted by the community and is priced against USD or gold so it's worth it.
In short, every value is converted into gold. But gold has some major disadvantages so new alternatives are available such as money and now Bitcoin.
. I respect to that as money is a physical currency issued by the government to be used by any kind of transactions worldwide. Through bank to bank transaction, remittances, paying compensations , pensions and salaries and even money changer, paper currency has the vital role to that. We can buy anything we want even without internet. We can transact to other people without internet.
The difference of bitcoin was that it is being a digital currency, we can used it by the manipulation of gadgets by online transactions We cant access site without internet or WiFi. As of this generation and the coming generation. Bitcoin has a greatest contribution to mankind. Its value is continously increasing, so as they considered as gold or even more to that.