US Patent 11537740 System for enhanced data security using versioned encryption

Systems, computer program products, and methods are described herein for enhanced data security using versioned encryption. The present invention is configured to electronically receive, from a computing device of a user, a confidential data entry at a first server; encrypt the confidential data entry using a public key at the first server to generate an encrypted confidential data entry; transmit the encrypted confidential data entry to a second server, wherein the encrypted confidential data entry comprises a hash value, wherein the hash value indicates a numbered version of the public key used to encrypt the confidential data entry; and store the encrypted confidential data entry in a database associated with the second server.