How to Sell Altair (AIR) for United States Dollar (USD) in Portugal

To sell Altair for United States Dollar in Portugal, first, find a cryptocurrency exchange that supports the AIR/USD trading pair. Create an account, verify your identity, and deposit your AIR into your exchange wallet. Locate the AIR/USD pair on the trading platform and place a sell order to exchange your Altair for United States Dollar. If the AIR/USD pair is unavailable, you can first sell Altair for a stablecoin like Tether (USDT) or a fiat currency such as the Euro, then trade that for United States Dollar. Be mindful of potential exchange fees, which vary by platform and can affect the total amount you receive.