Computer services, namely, providing for authentication of electronic documents transmitted via a computer network by creating and binding encrypted signature data to the electronic documents; Computer services, namely, facilitating the approval of electronic commerce transactions conducted via a computer network by issuing, managing and authenticating signature data associated with the transactions; Computer services, namely, providing for identification of the sender of an electronic document via a computer network by verifying signature data associated with the electronic document; Computer services, namely, providing for authentication of data transmitted via a computer network by verifying a handwritten digital signature associated with the data using biometrics; Computer services, namely gathering, compiling and managing data about the source, authenticity, approval, and purpose of electronic documents transmitted via a computer network or electronic transactions conducted via a computer network; Computer services, namely, providing for viewing, capturing,C converting and stamping handwritten electronic signatures used in connection with electronic data transmitted via a computer network; Consulting services in the field of authentication and verification of electronic data transmitted via a computer network; Consulting services in the field of electronic signature technology