ZK-based cryptocurrencies, such as the popular Zcash, leverage ZKPs to achieve complete anonymity in transactions. For example, Zcash uses a zero-knowledge proof technology called zk-SNARKs to encrypt the sender, recipient, and amount of a transaction, while still allowing the network to validate its legitimacy.
Furthermore, the advantages of ZK technology in scalability and privacy protection have positioned it for widespread application in decentralized finance (DeFi). As the demand for cryptocurrency privacy and security grows, it is anticipated that more ZK-based cryptocurrencies and applications will emerge, driving further innovation and application of ZK technology to provide users with a more secure, private, and efficient transaction experience.