"This is able to allow a [stage of sale] to inform an apple iphone what blockchain tackle it will eventually settle for USDC on, or the quantity to pay, and then the iPhone-dependent wallet app could prompt the user to substantiate a payment (like with FaceID) and initiate a transaction https://nextnewtech.com/news/copyright-and-blockchain-news-exploring-qualitative-coin-analysis-with-blockchainreporter/484242