A desktop wallet is a type of cryptocurrency wallet that is installed and stored on a desktop computer or laptop. It allows users to store, send, and receive cryptocurrencies securely on their personal computer without the need for an internet connection. Desktop wallets are considered to be more secure than online wallets as they are less susceptible to hacking attacks. It is important to regularly back up the wallet and keep the computer free from malware to ensure the safety of the stored cryptocurrencies.