System and method for secure electronic data transfer

A method of operating a broker device to enable a secure electronic data transfer between a sender client device and a receiver client device, wherein the sender and receiver client devices each comprise a computing device, the method comprising:

• generating a Key DNA and a Moniker for a sender client device, the Key DNA being formatted to facilitate generation of a Key for encrypting data;
• storing the Key DNA and the Moniker;
• sending the Key DNA and the Moniker to the sender client device;
• receiving a request from a receiver client device, the request including the Moniker;
• retrieving the Key DNA based upon the Moniker in response to the request;
• and
• sending the retrieved Key DNA to the receiver client device in response to the request;
• wherein the receiver client device is enabled by the received Key DNA to decrypt encrypted data received from the sender client device.