Golden Finance reports that Nigerian cryptocurrency trading platform Bitmama has temporarily suspended its virtual Mastercard service due to unforeseen issues with its provider. African fintech companies are currently facing card service challenges, including currency fluctuations, chargeback fraud and insufficient funds. Some fintech companies blame provider issues, others cite high costs and limited revenue opportunities. Despite these obstacles, some fintech companies such as Bitmama and Chipper Cash continue to offer alternative card services.