A cryptocurrency wallet can help you securely send, store, and receive cryptocurrency. Cryptocurrency wallets are often considered to be more secure than cryptocurrency exchanges. Unlike exchanges, only users who hold the wallet’s private keys can sign off on transactions. What is a crypto wallet? There are thousands of different crypto assets, so the traditional finance apps that support crypto trading offer a very limited selection. Buying cryptocurrency through crypto-first digital wallets and exchange providers will offer users more choice and functionality.