"This may allow for a [level of sale] to tell an iPhone what blockchain address it is going to settle for USDC on, or the amount to pay, and after that the iPhone-dependent wallet app could prompt the consumer to substantiate a payment (like with FaceID) and initiate a transaction https://hipntrendy.com/news/copyright-and-blockchain-news-exploring-qualitative-coin-analysis-with-blockchainreporter/484242