providing services and facilities in the electronic financial commerce field; providing security for financial data transmitted on open computer-based networks; providing a computer-based communication and financial dataflow system service for allowing financial trading partners to transmit purchase orders, solicitations, quotations, invoices, and similar financial business transaction related messages and documents; providing auditing, archiving, monitoring, certifying and non-repudiation services and mechanisms for computer-based open network financial dataflow and communications; financial computer software and system integration, compatibility and installation services for open computer-based networks and software and systems related thereto