I am not totally sure about national currencies but threat in job is absolutely possible to happen. Actually it is happening right now in the current scenario. I've known a lot of people who left their regular job coz they are already earning so much money here compare to how much they earned on their job.
This is not a smart decision. I would not leave my job just because of my asset in crypto (bitcoin). What if I got scammed or hacked? I would then have to go and start looking for job again.