Technically any pepper may be used to generate paprika powder. Very hot peppers (including chilis) make hot paprika, sweet peppers make sweet paprika, and if you smoke the peppers when These are drying you end up with smoked paprika. Some people love to blend pepper varieties for a novel taste. https://ricardohmhtd.bcbloggers.com/30402776/the-smart-trick-of-beijing-red-pepper-that-no-one-is-discussing