"This would permit a [stage of sale] to tell an apple iphone what blockchain handle it's going to acknowledge USDC on, or the quantity to pay, after which the apple iphone-based wallet application could prompt the consumer to confirm a payment (like with FaceID) and initiate a transaction in excess https://enterwicked.com/news/copyright-and-blockchain-news-exploring-qualitative-coin-analysis-with-blockchainreporter/484242