Abstract: A computer-implemented method for data exchange is disclosed. The method includes the steps of generating an account identifier for a target entity, creating at least one profile for the target entity, wherein the at least one profile includes at least one profile component, requesting a subscription to the at least one profile by an interested entity, generating a response to the subscription request from the interested entity by the target entity, wherein the response is at least one of an acceptance response and a denial response, and assigning the at least one profile to the subscription in acknowledgement of the acceptance response, wherein the at least one profile is accessible to the interested entity.