How to Sell Ontology Gas (ONG) for Arbitrum Bridged USDT (Arbitrum) (USDT) in Portugal

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