You should absolutely carry cash for public transport in Mauritania. It's an entirely cash-based system, from shared taxis to minibuses. You'll need p...

For getting around in the Marshall Islands, cash is king. I was on Majuro, and every taxi I hailed expected payment in US dollars. The drivers don't h...

In Lesotho, public transport is minibuses and shared taxis (“kombis”), and they only take cash in maloti or South African rand (accepted 1:1). ATMs in...

International cards (Visa, Mastercard, etc.) don’t work in Iran at all due to sanctions. Public transport in Tehran, Isfahan, and Shiraz is cash-based...

Public minibuses in Georgetown and beyond are cash-only. Fares are around GYD 100-200 in the city. No drivers take cards. ATMs from Republic Bank and ...

In Conakry, taxis and minibuses (“magbana”) are all cash-based. Drivers only take Guinean francs, and fares are usually small - 5,000-15,000 GNF depen...

Guadeloupe uses the euro, and public buses and taxis are all cash-only. ATMs from Crédit Agricole, Banque Postale, or Société Générale in Pointe-à-Pit...

Public transport in Gabon, especially in Libreville, is entirely cash-based. Shared taxis are the main way to move around, with fares between 300-700 ...

Eritrea is a cash-only country. Public buses in Asmara charge a few nakfa (usually 1-5 ERN), and you pay directly to the conductor. Cards don’t work i...