Prices fall, bringing year-end inflation for 2018 to 2.6%.
Called Payly, the technology enables payments through QR code and mobile transfers.
The Chilean-Brazilian bank responds to a decision by watchdog Sbif to fine it following a probe into loans awarded to three of the so-called Cascadas companies.
Kristalina Georgieva, World Bank CEO, will assume the role of interim President effective February 1.
The Brazilian government pledged to make state-run banks more transparent.