According to the Central Bank in Brazil a MarketPlace that receives all the amount of the transaction from sales and after transfer the amount due to the seller , has to be registered and comply with financial rules estabilished by them (become a financial institution). Thats why all the payment gateways in Brazil offer the split option ( commission is paid direct to the admin and the rest to the seller), otherwise is inviable to become a Marketplace is Brazil.
I talked to most of the gateway payments in Brazil and they all say that Shopify doesn't provide/ allow the split on payment. Is that true? If, it is. Is Shopify about to solve this problem? Otherwise, Shopify should flag out that MarketPlaces inside Shopify in Brazil , will not work because the payment solution will not be in agreement with the Central Bank directions.