Picture a trader in Accra buying stock from a supplier in Lagos. Both businesses use mobile money. Both can receive payments domestically in seconds. Yet sending money across the border may still involve several intermediaries, opaque fees, an awkward foreign-exchange conversion and a reconciliation headache. The fact that both people hold a wallet does not mean their wallets can talk to each other.
On 13 October 2026, Ghana's central bank governor described tests intended to change precisely that. According to the Ghana News Agency's report, the Bank of Ghana is piloting interoperability among central-bank digital currencies, stablecoins, bank accounts and mobile wallets in the Ghana–Rwanda and Ghana–Nigeria corridors. It has also extended the Pan-African Payment and Settlement System, PAPSS, to mobile wallets on the Ghana–Nigeria corridor.
That is news worth taking seriously. It is not yet evidence that every Ghanaian wallet can instantly pay every Nigerian merchant.
Why domestic mobile-money success does not solve the border
Within one country, a consumer can often pay a bill, send money to family or receive a salary from a supported network. Crossing a border introduces a different problem. Each side may have separate operators, know-your-customer requirements, exchange-rate conventions, banking partners, payment limits and dispute procedures.