"This would permit a [stage of sale] to tell an apple iphone what blockchain address it will eventually take USDC on, or the quantity to pay for, after which the iPhone-based wallet application could prompt the person to confirm a payment (like with FaceID) and initiate a transaction over the https://thefinancialmetrics.com/news/copyright-and-blockchain-news-exploring-qualitative-coin-analysis-with-blockchainreporter/484242