The text will now go to President Michel Temer for his signature, as Brazil is among the few major regional markets without such legislation.
The move should help drive down the number of cash machines being blown up, a government official says.
Annual inflation climbed to 5.60% in June. The church called off peace dialogue efforts following attacks on high-ranking clergy while a general strike is planned for Friday.
The poor performance of the economy in the first quarter and high political risk are factors that have increased the level of pessimism among economists.
The Chilean economy has been benefiting from factors including a recovery in prices for key export copper and increased business confidence.
Signing the accord reduces legal risks for the Brazilian conglomerate and enables it to pursue new contracts.
Finance ministers from Chile, Colombia, Mexico and Peru met last Friday and agreed on guiding principles for the development and regulation of fintechs in member countries.