What is the key value added by mobile wallet innovators? Select one: O A. Easy-to-use user interface O B. Lower cost of record-keeping between different banks OC. More accurate fraud detection O D. Significantly lower processing fee What is the key value added by mobile wallet innovators? Select one: O A. Easy-to-use user interface O B. Lower cost of record-keeping between different banks OC. More accurate fraud detection O D. Significantly lower processing fee