individuals should be aware that independant exchange shops normally equate high denomination bills with a more competitive exchange rate - a single one-hundred dollar bill is worth more than the same amount, in ten-dollar bills - damaged, worn out and torn bills are generally not accepted and the most commonly exhanged currencies are the euro and the american dollar. 

when arriving in rio de janeiro, via the aiport, individuals can utitlize exchange services within the terminals - these exchange desks are extremely convient for visitors needing quick cash but are known to feature the least competitive exchange rates in the city.

atms are a good way to get cash with a reasonable exchange rate, and are available throughout the city - individuals should be aware that not all banks accept every type of debit, or credit, card and the desired machine must feature the same network logo which appears on the back of a user's card - each atm interaction comes with a fee from the local bank and the home bank, which can add to a significant value over time - calling one's bank to learn how much fees cost and where they will be charged, when travelling abroad, is always recommended.