According to the source, grocery checkout with crypto is already live in multiple regions, highlighted by Pick n Pay’s nationwide rollout of Bitcoin Lightning payments across South African stores enabling low-fee, instant settlement at POS, source: Pick n Pay corporate announcement (Feb 2023) and CryptoConvert documentation (2023). In Switzerland, Worldline’s WL Crypto Payments with Bitcoin Suisse lets merchants accept BTC and ETH both in-store and online, with deployments by national retailers such as Manor and Valora indicating supermarket-ready rails even as chain-by-chain adoption varies, source: Worldline press release (Oct 2020) and Worldline service page (2023); Bitcoin Suisse service materials (2021). In the UAE, Majid Al Futtaim integrated Binance Pay to enable crypto spending across its properties including Carrefour UAE, extending grocery payment options via custodial wallet settlement, source: Majid Al Futtaim corporate announcement (2022) and Binance partnership blog (2022). For traders, the key signals to track are official merchant and processor announcements expanding BTC and stablecoin acceptance, particularly Lightning or custodial integrations that keep fees low for small-ticket purchases, source: Pick n Pay corporate announcement (Feb 2023); Worldline WL Crypto Payments overview (2023); Binance Pay product and partnership materials (2022).