Patent attributes
Methods and systems to provide secure electronic document transactions are described. In one embodiment, a processor creates a first data storage container capable of being nested as a component file of a second data storage container. In one embodiment, the first data storage container comprises: a unique first data storage container identifier; at least one unique component file identifier to identify at least one component file of the first data storage container, and the component file is an electronic document or another data storage container. In one embodiment, the first data storage container further comprises: at least one component file hash value for the at least one component file; a first attribute set; and a first data storage container hash value calculated based on features including the at least one unique component file identifier, the at least one component file hash value, and the first attribute set.