
This photograph taken in Yaounde, on February 17, shows the Djangui Money logo on a mobile phone. In many African countries, the tontine is a popular collective savings system which has for years enabled those to whom banks do not lend to finance a project or an emergency. In Cameroon, start-ups have brought it into the digital age in recent years. (Photo by Daniel BELOUMOU OLOMO / AFP)
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