Or at least shrink to minimal amounts, when it shrinks to a certain level, it will no longer be useful.
When the amount of bitcoin supply shrinks, bitcoin will still be useful, even at that time the price will become more expensive.
Bitcoin may disappear, and in its place a new coin will be born, with more advantages
Bitcoin's not possible will disappear in the near future and bitcoin will remain there at least up to 50 years to come. Almost every month new coins are born, the fact that none of them can replace bitcoin.
If, bitcoin will be replaced, by another coin then the address of the destruction of the global cryptocurrency cannot be maintained anymore.
The world is turning towards digital currency and you are talking about the disappearance of cryptocurrency. It will never happen because now people have understood the importance and benefits of cryptocurrency. In the near future you will more and more people investing in cryptocurrency not only for earning profits but also for worldwide use as regular currency.