How to Sell QuarkChain (QKC) for Chainlink (LINK) in Portugal

To sell QuarkChain for Chainlink in Portugal, first, find a cryptocurrency exchange that supports the QKC/LINK trading pair. Create an account, verify your identity, and deposit your QKC into your exchange wallet. Locate the QKC/LINK pair on the trading platform and place a sell order to exchange your QuarkChain for Chainlink. If the QKC/LINK pair is unavailable, you can first sell QuarkChain 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.