"This would let a [level of sale] to tell an apple iphone what blockchain address it will take USDC on, or the amount to pay, after which you can the iPhone-based wallet application could prompt the consumer to substantiate a payment (like with FaceID) and initiate a transaction in excess https://gempakmedia.com/news/copyright-and-blockchain-news-exploring-qualitative-coin-analysis-with-blockchainreporter/484242