Users are unable to access their accounts, trade, or perform transactions. It is advisable for affected users to stay updated through official Coinbase channels for the latest information on the "Coinbase not working" situation. To access the professional trading features offered by Coinbase, users need to go to pro.coinbase.com login page. The Metamask extension is a widely used tool in the world of decentralized finance (DeFi). It serves as a digital wallet and gateway to various blockchain networks, enabling users to securely store and manage their cryptocurrencies.