During the height of blockchain, there were plenty of good, legitimate jobs. The things they were building were some combination of inane, criminal, or stupid, but the jobs themselves were often quite real. I knew more than one person being paid $300k+/yr building something completely stupid like a collectible pet dragon breeding simulator because a VC thought it had a decent chance of being the next monkey coin or something. Sure, you had to get a new job every six months as each VC ran out of money, and sure you were making the world a worse place, but hey, it's a living.