A bag of cassava flour can look fine on the shelf while quietly turning unsafe underneath. I have tossed my own batches over a smell or a clump I would rather not have missed.
Culinary Uses of Tapioca: The Food Science Behind Every Use
Tapioca and cassava starch genuinely mean the exact same thing in most kitchens, yet one page on this site covers 16 industrial uses spanning bioplastics to pharmaceuticals, while the actual everyday cooking side rarely gets that same real depth here.