"This could permit a [point of sale] to tell an iPhone what blockchain address it'll accept USDC on, or the quantity to pay, and then the iPhone-based mostly wallet application could prompt the user to verify a payment (like with FaceID) and initiate a transaction around the blockchain to settle https://profitandcost.com/news/copyright-and-blockchain-news-exploring-qualitative-coin-analysis-with-blockchainreporter/484242