I'm horrendously worried about crypto gaining more marketshare as long as proof of work crypto remains mainstream. It has significantly worse externalities than just about any company I can think of (including defense contractors/vaping companies), and, if it grows larger before we have clean energy, then we virtually guarantee we won't be able to tackle global warming. We are going to bestow a world that will be sig…
What do you think about computers that are always on 24/7? Or TVs that never turn off (even if the screen is off)? (ETA: 23% of household energy use is by always-on devices. The scale of this waste is MASSIVE.) Devices in our life consume energy 24/7 when we're not even using them or needing them to be on. Energy conservation has a LONG way to go. In fact, one could argue that the current stock market system is a hug…
Further, I worry that crypto will grow massively. If that happens, all bets are off. In its current state, crypto consumes more energy than several large countries - imagine a world where that's 10x or 100x and we've still not moved off of proof of work. What's global warming going to look like?