Patent ID: 7894634

Claim:
A method for conducting a transaction over an electronic network comprising: receiving at a transaction server transaction data that is relevant to the transaction, wherein the transaction server is accessible via the electronic network for processing a transaction; receiving at the transaction server biometric data for authorizing the transaction, wherein the biometric data includes a locus-based digitized signature, a biometric digital signature, a fingerprint, a palm print, hand geometry, facial geometry, an iris scan, an iris print, a retinal scan, a retinal print, an eye scan, an eye print, or any combination of the foregoing, wherein the biometric data is included in a biometric data file that includes a date time stamp or an identifier of the hardware that recorded the biometric data, or both, and wherein the date time stamp is obtained from the transaction server, or from a server of the electronic network, or from both; and wherein the biometric data file also includes a relational check code representative of the biometric data, of the biometric data and the date time stamp, of the biometric data and the identifier of the hardware that recorded the biometric data, or of the biometric data and the date time stamp and the identifier of the hardware that recorded the biometric data; comparing the biometric data from the biometric data file with biometric data previously stored in a database, or with a predetermined threshold value, or with biometric data previously stored in a database and a predetermined threshold value, for authenticating the biometric data for approving or disapproving the transaction; and if the transaction is approved, then processing the transaction data for conducting the transaction.