Yes that might be right. However since it is not coordinated by any country and still it is a random bussiness market, it might be difficult to have no value. There are still major money in cryptocurrency that people hold. Moreover, if people insist on keeping these values, it may be accepted from many countries as a money. Time will show what is going to be happen :)
RE: \Another shock to cyrptos from Google; They banned cyrptocurrency ads