A software-based method and system for maintaining documents and datasets associated with a given commercial transaction as original, authenticated documents or datasets associated with the underlying transaction. Datasets that have been designated as “auditable” are maintained by the system as tamper-evident and reflect the data actually provided to the system by the transaction owner or a trusted third party at each stage of the transaction. In certain preferred embodiments the system establishes and maintains a verified, original audit trail or trails reflecting the custodial chain of ownership of said data. A visual interface is provided to the stakeholders for secure access to authoritative copies of documents, transaction data and the related audit trails. In addition, the system includes real-time analytics and monitoring with threshold-based alerts, and drill-down capability to any level of the data, documents and audit trail.
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