Yeah hot pot seems pretty common in Asian countries. I did it in Japan (Shabu Shabu) and in South Korea.
At my house, we don't even use a special broth. Just straight up water, a bit of veggies and oil to start, and then off we go. By the end the soup is pretty delicious without any additives. And yes we use raw egg (both the yolk and the white), some soy sauce and chili sauce. For crab, I simplify it even more. Just use red vinegar for dipping sauce. *drool*
Edit: and we don't even use a special range. We have an old school deep fryer that we just fill with water. It's great because it's electric rather than propane powered.
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