How to Sell ChainOpera AI (COAI) for Chainlink (LINK) in Portugal

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