Bitcoin is not a bubble because of one word. BLOCKCHAIN. Because of the blockchain bitcoin is more than just a form of currency. Cryptocurrency can represent a means of automated transfer and also a system of checks and balances and record keeping. There are innovations that have already been made and adopted that take advantage of blockchain tech. From verifying authenticity of merchandise, accurately tracking automobile history (no rolling back odometers), transferring excess mobile data to other people, streamlining and centralizing medical records the list goes on and one it goes way deeper than just money transfer.