Withdrawal Whitelists is a security feature that enables users to designate specific cryptocurrency addresses to which they can withdraw funds. This feature is designed to mitigate the risk of unauthorized transactions by ensuring that only pre-approved addresses can receive withdrawals. Users can manage their withdrawal addresses through their account settings, adding or removing addresses as needed. This adds an additional layer of security, particularly for users who hold significant amounts of cryptocurrency, as it helps prevent loss due to phishing attacks or account compromises.