There is no difference, as cryptocurrency will always be worth the same thing in any country

This is a very common question and still confuses many Binance users, especially those who are not very familiar with the financial market.
Buying cryptocurrencies in dollars:
The financial asset used as a reference for the value of cryptocurrencies is the US dollar (USD). This means that, regardless of the pair used for trading, the market understands that the US dollar is the basis for the average pricing. Even when you trade, for example, in the BTC/BRL pair, the quote is based on the BTC/USD pair. In other words: when you trade cryptocurrencies in pair with USD, it means that you are working directly with the price reference on a global scale, without the need for currency conversions.