Hey, everybody! If I need to exchange ETH from Base to Ethereum, which exchange service can I use? I would like to exchange at the most favorable rate.

If I were you, I would definitely look for a safer bridge ETH from Base to Ethereum. You can use this service for that, for example https://defiway.com/br.../bridge-eth-base-ethereum. Just be careful of the scammers on the internet. So, be sure to pay attention to security, and you'll be all set! Good luck to you!