Digital wallets issued in nearly 100 countries are used for cross-border remittances, to make payments to merchants within their local markets and for person-to-person money exchanges. There is a growing demand from tourists and business travelers to expand the utility of those wallets to include payments to merchants in a foreign country. Facilitating that interoperability is the goal of the newly formed Wallet Interoperability Council (WIC), an initiative of TerraPay. Over the last 10 years, TerraPay has built connectivity to companies that offer digital wallets as well as to financial in...