"This would permit a [issue of sale] to tell an apple iphone what blockchain deal with it is going to accept USDC on, or the amount to pay, and afterwards the apple iphone-based wallet app could prompt the consumer to substantiate a payment (like with FaceID) and initiate a transaction https://suarakl.com/news/copyright-and-blockchain-news-exploring-qualitative-coin-analysis-with-blockchainreporter/484242