The importance of end-to-end encryption in digital communication lies in its ability to protect the confidentiality and integrity of information exchanged between parties. By encrypting data from the sender to the recipient, this technology prevents unauthorized access, ensuring only intended users can read the messages. End-to-end encryption is vital in preserving user privacy, especially in sensitive communications like banking, personal messaging, and healthcare. It safeguards against data breaches and eavesdropping, fostering trust in digital communication platforms and enabling secure interactions.