The government is aiming to finish next year with 30,000 Caja Vecina POS terminals and 12mn Cuenta Rut debit cards.
The net inflow was US$175mn last month.
The current investment focus means less money for other areas such as CRM and innovation, a regional banking survey finds.
André Esteves is now expected to take on a more prominent role at Brazilian investment bank BTG Pactual.
The authority will among other things investigate if major banking players have tried to prevent the development of fintechs in the country.
Massive protests rocked at least eight cities around Bolivia as demonstrators rejected President Evo Morales' bid to extend his 13-year rule.
The company has announced a deal with units of Claro and Tigo to which it will offer direct carrier billing that charges purchases directly to customers' mobile bills, eliminating the need for credit cards purchases.