Stablecoin sandwichA stablecoin sandwich in payments refers to a process in which stablecoins—cryptocurrencies pegged to a stable asset like the US dollar—are used as an intermediary layer between fiat currency transactions. This approach can optimize speed, cost, and accessibility, especially in cross-border or digital payments.Credit: BVNKStablecoin relayA stablecoin relay refers to a transaction process where fiat currency is used at the start and end, but stablecoins act as an intermediar...