Pseudonymity is the practice of using a fictitious name or identity instead of one's real name. This allows individuals to engage in activities, such as writing or online interactions, while maintaining a level of privacy. Pseudonyms can protect personal information and provide a sense of security, especially in sensitive contexts. In the digital age, pseudonymity is common on social media platforms and forums, where users often create accounts under usernames that do not reveal their true identities. This can encourage free expression and creativity, but it may also lead to challenges in accountability and trust within online communities.