The battle between Brazil and Argentina for the supremacy of the Bitcoin market in Latin America reached a new dimension.
It's not Brazil or Argentina, it's not a competition between countries, there is no competition and it is people from those countries that buy and sell coins. A Brazilian buying coin doesn't mean Brazil as a country is buying, BMW accepting coins doesn't mean Germany is dealing with Bitcoin.
If the trades are happening on lbc like the previous poster stated then it is probably real, otherwise it can be wash trading/fake volume.
Probably, this is the leading exchange:
https://coinmarketcap.com/exchanges/negocie-coins/Those numbers are so weird.., I'll look around for some other exchange but I haven't yet seen one with a
100 000x difference between the top trading pairs in volume
This is negociecoins:
This is mercadolibre:
And another exchange, bitcointrade