KINSHASA/DAKAR, Feb 18 - The Democratic Republic of Congo added the rebel-held Rubaya coltan mine, one of the world's richest ...
As digital payments continue to expand across Francophone Africa, the ecosystem is moving into a more mature phase where the core challenge is no longer access alone, but reliability, interoperability ...
Rubaya, in North Kivu, holds several thousand metric tons of coltan with tantalum concentrations of 20–40%. It accounts for ...
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