Identity verification systems enhance online security by confirming the identities of users engaging in digital transactions. These systems utilize various technologies, including biometrics, two-factor authentication, and document verification, to ensure that users are who they claim to be. By implementing rigorous identity checks, organizations can significantly reduce the risk of fraud and unauthorized access. This layer of security not only protects sensitive information but also fosters trust between businesses and customers, encouraging online interactions and transactions by providing a safe digital environment.