Coinbase is a widely-used digital currency platform that enables users to buy, sell, and store various cryptocurrencies such as Bitcoin and Ethereum. It functions as both a digital wallet and an exchange service, offering an intuitive interface for managing cryptocurrency transactions. Users can connect their bank accounts or credit cards to facilitate secure and efficient digital currency transactions.

Yes, Coinbase is regarded as one of the most secure platforms for cryptocurrency transactions. It employs industry-leading security features, including two-factor authentication, insurance protection for digital assets, and secure offline storage for most funds. Nonetheless, users should also adopt personal security practices, such as using strong passwords and enabling all available security options.

Coinbase charges fees for each transaction, which vary depending on the payment method, transaction amount, and location. Fees typically consist of a flat fee combined with a percentage of the transaction. Users should review Coinbase's fee structure on their website or app to understand the specific costs associated with their transactions.

Yes, Coinbase offers a mobile application compatible with both Android and iOS devices. The app allows users to manage their cryptocurrency portfolios on the go, providing functionalities similar to the web platform, such as buying, selling, storing digital currencies, tracking prices, and setting alerts for specific cryptocurrencies.

Coinbase supports a broad spectrum of cryptocurrencies, including popular options like Bitcoin, Ethereum, and Litecoin, along with many other digital assets. The platform continuously updates its supported currency list to include new and emerging cryptocurrencies, giving users a diverse selection for buying, selling, or trading.