an app on a digital device that stores account numbers, passwords, and other sensitive information is called…

an app on a digital device that stores account numbers, passwords, and other sensitive information is called a ______\na. blockchain\nb. digital wallet\nc. qr code\nd. mobile point of sale
Answer
Brief Explanations:
A digital wallet is an app that stores account - related and other sensitive information. A blockchain is a distributed ledger technology, a QR code is a type of matrix barcode, and a mobile point - of - sale is for processing transactions.
Answer:
B. digital wallet