WhatsApp currently has over 2 billion active users in 180
    
                        
            
                         Visa and Safaricom, the East African telecom giant; have agreed
    
                        
            
                         Interswitch Limited, a leading technology-driven company focused on the digitisation
    
                        
            
                         E-commerce firm, Konga, has partnered Visa, a digital payment firm,
    
                        
            
                         Nigeria Fintech startup, Paystack has raised $8 million in Series