A highly secure database platform is entity-centric and entity-controlled. Posting, query and retrieval of a data is bound to unique, unidirectional relationship identifiers that control a requesting entity's access to documents pertaining to a targeted entity. Data is immutably mapped to entities and relationships. The platform is domain-partitioned, schema-agnostic and order-preserving. The invention presents a trusted platform or service which is readily adapted to data concerning people, groups, businesses, devices, and/or microservices.