A cryptocurrency wallet is a digital tool that allows users to store, send, and receive cryptocurrencies like Bitcoin and Ethereum. Unlike a traditional wallet that holds physical cash, a cryptocurrency wallet stores the private and public keys needed to access and manage your digital assets. There are different types of cryptocurrency wallets, including hardware wallets, software wallets, and paper wallets. Each type offers varying levels of security and convenience, allowing users to choose the best option based on their needs and preferences.