Bitcoin's real trouble is with transaction time and cost. Those are the troubles that will bring it down way faster than any regulation. Once that's fixed, ther

Bitcoin's real trouble is with transaction time and cost. Those are the troubles that will bring it down way faster than any regulation. Once that's fixed, there is no stopping it since there are countries where Bitcoin is welcome. Example: Japan is one of those countries. The exchange rate between fiat currencies and bitcoin will definitely bounce around but 100 years from now someone will be using Bitcoin to make a transaction.