Using a very sharp knife, slice your tuna into cubes. Place your cubed tuna into a bowl with 2 tablespoons of creamy "peanut" sauce. Toss until well coated. Place in refrigerator until ready to assemble nachos.
Slice and dice all of your other veggies 'n things.
Lay some tortilla chips onto a serving tray and layer with all the things (ie. marinated tuna, avocado, cucumber, radishes, jalapeno, edamame, pickled ginger, and green onions.