That's why we need to manage risk, all you mention is about risk specially " X " factors. We know bitcoin is alternative and we need to grow and find what next after bitcoin because bitcoin is not safe, law nature also says everything has beginning always has ending. I see 2020 is good moment to find alternative out side bitcoin and maybe go into forex market is better option. Another way is become writer, anything to support our life on the right track is worth to follow. Prepare for the worst and good luck to all of you.