I wanna know how many years bitcoin can exist, because what if i invest a big amount and the bitcoin will go to shutdown or going to close a blockchain system. This is my concern.
Years 5 carefree you can trade more. And then it's no longer a fact that everything will be so sweet, as both the ether and bitcoin are already divided into separate parts. In general, while whales want him to live, everything will be, but also with a very small profit, so any resource is exhausted.