Put the ginger, garlic, onion, soy sauce, peanuts, peanut oil, brown sugar, lime juice, coriander, cumin, cinnamon, and 2 tablespoons cold water into a food processor or electric blender.
Blend for 8 to 10 seconds.
Pour the mixture into a medium size mixing bowl, add the pork, and toss well to coat.
Cover and marinate at room temperature for 1 hour.
Preheat the broiler.
Thread the pork cubes onto 8 lightly oiled 8 inch long skewers, making sure the cubes do not touch each other.
Lay the skewers on an ungreased broiler pan and brush with the marinade.
Broil 7 to 8 inches from the heat, turning the skewers occasionally and brushing each time with the remaining marinade.
Cook for 18 minutes or until the pork is browned and feels firm to the touch.