Which of the following enhances the security of notarizations in an electronic journal?

The choice highlighting encryption of stored data significantly enhances the security of notarizations in an electronic journal. Encryption transforms readable data into a coded format that can only be accessed by individuals who possess the corresponding decryption key. This means that even if unauthorized individuals gain access to the electronic journal, they would not be able to accurately interpret the information without the key, thereby safeguarding sensitive details regarding the notarized transactions.

In contrast, other options do not provide the same level of security. For example, simple password protection can be relatively easy to bypass, especially if weak passwords are utilized. Accessibility from any public network poses additional risks, as this can expose data to interception by unauthorized parties. Finally, while storing records in multiple physical locations can offer some redundancy and protection against data loss, it does not inherently protect the data from unauthorized access or tampering. Thus, encryption stands out as a crucial measure for ensuring the confidentiality and integrity of electronic notarization records.