Is Bitcoin a bubble? Marco Verch/flickr 13 décembre 2017 A bubble? We don’t even know how to value Bitcoin Alicia (Lucy) Cameron, CSIRO et Kelly Trinh, CSIRO If Bitcoin is a bubble, it will be because its price rises are too great and can't continue. If it isn't, it will be because the Bitcoin market is still expanding. We just don't know which one yet.