Method and system for secure global tokenization

A method for transmitting tokenized data, comprising:

• storing, in a token database, a plurality of token profiles, wherein each token profile includes data related to a tokenized data element including at least a token, a data value, and an associated data element;
• receiving, by a receiving device, a transaction message via a payment network, wherein the transaction message is formatted pursuant to one or more standards governing the interchange of transaction messages and includes data in one or more data elements reserved for private use in the one or more standards;
• identifying, for each of the one or more data elements, a corresponding token profile where the included associated data element is the respective one or more data element and where the included token corresponds to the data included in the respective one or more data element;
• updating, by a processing device, the transaction message by replacing the data included in each of the one or more data elements with the data value included in the identified corresponding token profile;
• and
• transmitting, by a transmitting device, the updated transaction message via the payment network.

A system for transmitting tokenized data, comprising:

• a token database configured to store a plurality of token profiles, wherein each token profile includes data related to a tokenized data element including at least a token, a data value, and an associated data element;
• a receiving device configured to receive a transaction message via a payment network, wherein the transaction message is formatted pursuant to one or more standards governing the interchange of transaction messages and includes data in one or more data elements reserved for private use in the one or more standards, and where the data included in each of the one or more data elements is encrypted using a public key;
• a processing device configured to
• decrypt the encrypted data included in each of the one or more data elements using a private key corresponding to the public key to obtain decrypted data,
• identify, for each of the one or more data elements, a corresponding token profile where the included associated data element is the respective one or more data element and where the included data value corresponds to the decrypted data for the respective one or more data element, and
• update the transaction message by replacing the encrypted data included in each of the one or more data elements with the token included in the identified corresponding token profile;
• and
• a transmitting device configured to transmit the updated transaction message via the payment network.

A system for transmitting tokenized data, comprising:

• a token database configured to store a plurality of token profiles, wherein each token profile includes data related to a tokenized data element including at least a token, a data value, and an associated data element;
• a receiving device configured to receive a transaction message via a payment network, wherein the transaction message is formatted pursuant to one or more standards governing the interchange of transaction messages and includes data in one or more data elements reserved for private use in the one or more standards;
• a processing device configured to
• identify, for each of the one or more data elements, a corresponding token profile where the included associated data element is the respective one or more data element and where the included token corresponds to the data included in the respective one or more data element, and
• update the transaction message by replacing the data included in each of the one or more data elements with the data value included in the identified corresponding token profile;
• and
• a transmitting device configured to transmit the updated transaction message via the payment network.