There have been several speculations on a possible doom for Bitcoin and most times, you find a good number of them turning quickly into myths. Well, when it comes to quantum computers, you’ll be rest assured that it’s something that wouldn’t get to the hands of just anyone, at least not in a decade or two or even more.
What effects it might have on Bitcoin and its safety, only time can reveal on that but, it might very well add to its advantage than be a disadvantage.