Hit SAUTE on the Instant Pot, and when it reads Hot, add the olive oil then the ground beef. Break up the beef with a spatula, and cook until no longer pink
Add the minced onions, sea salt, garlic powder, cumin, smoked paprika, pepper and chili powder, and stir
Hit CANCEL, then add the beef broth, and stir to deglaze pot if necessary. Make sure no browned bits of meat are stuck to the pot.
Add the black beans, corn, and finish with diced tomatoes on top, but DO NOT STIR,
Place the lid on the pressure cooker, then turn the valve to Sealing, and hit PRESSURE COOK for 10 minutes. Pot will take a few minutes to reach pressure, then begin counting down and cook for 10 minutes
Allow a 5 minute natural release, then turn valve to venting for a quick release. When pin drops, carefully open lid, stir well, and serve