Bitcoin is a digital currency in literal. Hmmm bubble? Yes I can say that bitcoin is bubble in some other ways like some bubbles are big and some are small. Like bitcoin some transactions are big as hell and some are just small nuisance, but bitcoin is not a bubble that will just burst out in one day. Because the foundation of bitcoin is strongly as steel. Yes, bitcoin are having many followers right now. This proves that bitcoin is not a easy to be destroyed like a bubble.