The BRICS Summit will be held from August 22 to 24, 2023 in Johannesburg, South Africa. The summit's central agenda revolves around the launch of a common currency among the member nations. And with the group's expansion expected to be announced during the summit, there is considerable interest in the criteria being used to choose new members. What are the mechanisms for BRICS expansion? What is the significance of a common currency among the member nations? For more insights, let's hear from David Monyae, director and professor at the University of Johannesburg's Center for Africa-China Studies.