performing authentication of an entity;

obtaining identity information of the entity based on the authentication;

obtaining one or more images associated with the entity based at least on the identity information of the entity, the entity being associated with a first feature vector having a first feature vector length;

determining, based on the identity information of the entity, a candidate entity matching the entity, the candidate entity being associated with a second feature vector having a second feature vector length, the determination being made based on a comparison of the first feature vector length with the second feature vector length;

determining categories of the one or more images, wherein the categories include an authorization category, a modification category, and a sensitive data category;

attaching a privacy label to each image of the one or more images based on the determined categories of the one or more images;

obtaining a publish chain that includes a source for each image of the one or more images and cascading links from the source, the cascading links indicating a path of an image from the source; and

providing the one or more images with the attached privacy label and the publish chain.