Tuna Tiradito with Ají Amarillo Leche de Tigre

Name: Tuna Tiradito with Ají Amarillo Leche de Tigre
Ingredients: 4 canned or jarred ají amarillo chiles (about 4 ounces), peeled, seeded, and deveined, or 1/4 cup ají amarillo paste; 1/4 cup fresh lemon juice; 1/4 cup fresh orange juice; 3/4 teaspoon fine sea salt, plus more; 1/4 teaspoon minced fresh garlic; 1/4 teaspoon minced peeled fresh ginger; 1/2 cup olive oil; 1 1/4 pounds sushi-grade tuna, cut into 2- x 1- x 1/4-inch-thick slices (about 48 slices); 48 medium-size blue potato chips (such as Terra Blues); 1/4 cup chopped salted dry-roasted peanuts; 1 teaspoon toasted sesame seeds; 1/4 cup sliced scallions