All digital platforms require master data and actors (person/entity/thing) data related to that system to be maintained for identification, validation, etc. For example, a property tax system needs to maintain master data about properties, land boundaries, tax codes, tax payers, inspection officers, etc. in a structured and validated fashion so as to help manage the property tax transaction in a seamless manner. As the world becomes data rich, it is essential that various data about people, entities, geographies, resources, assets, etc. are made available in electronic registries with Open APIs for other applications to seamlessly validate and use attested and authenticated data. This is even more critical when it comes to people and entities where various claims can be electronically validated against such registries via open APIs avoiding paper based validations, thus increasing trust while decreasing cost of validation.