Currently I even know that cryptocurrency cannot just disappear like that, this has come to stay, some coins may come and go, but Bitcoin and cryptocurrency will always remain, but we cannot fully vouch on all these, but they are just our expectations with them base on our convincing their networks operates, however, we should also think about a possibility for anything created by man, it may change or got altered with time, but before then, we must have been well prepared for the worst scenario ahead, that is why it is very important that we have our asset diversified.