A bank vault is a secure room or space within a bank designed to protect valuable items, such as cash, important documents, and precious metals. These vaults are built with strong materials, like steel and reinforced concrete, to prevent unauthorized access and theft. They often feature advanced locking mechanisms and security systems, including alarms and surveillance cameras. Inside a bank vault, items are stored in safes or safety deposit boxes, which customers can rent for personal use. Access to the vault is strictly controlled, typically requiring multiple security measures, such as identification and biometric scans, to ensure only authorized personnel can enter.