A crypto wallet is a piece of software that can be a device or application that stores a collection of keys and can be used to transfer, accept, and track the possession of cryptocurrencies. As those keys are the only means to prove the ownership of digital assets and to perform transactions, they are a critical piece of the cryptocurrency ecosystem. Wallets can show up under various appearances. It can be a directory or file in your computer system, a piece of paper, or a specialized device. These kinds of wallets are called hardware wallets. Also, there are various smartphone apps and computer programs that offer user-friendly access to create and manage wallets.