[The Conversation Africa] At the end of 2022 the Central Bank of Nigeria launched new banknotes. At the same time it also capped withdrawal of the new banknotes. The rollout of the currency change was shambolic. But it also led people to turn to digital financial services such as the use of point of sale (PoS) machines for payments in their transactions. Digital financial services are financial services which rely on digital technologies for their delivery and use by consumers. The Conversation Africa’s Wale Fatade asks Iwa Salami,