A head mounted display system comprising: an image capture device configured to capture eye images of an eye; a display configured to display virtual images to the eye (302, 304, 410) of a wearer of the head mounted display (200, 400, 710); and a hardware processor (224, 228, 450) programmed to: obtain the eye images of the wearer captured by the image capture device; determine biometric information of the wearer based at least in part on the eye images, wherein the biometric information is associated with physiological or behavioral characteristics of the wearer; display a user interface comprising a popup including a consent request that includes a plurality of consent categories for the biometric information, wherein the plurality of consent categories includes a first consent category and a second consent category, and wherein the popup includes interactive buttons that are configured to receive input from the wearer indicating consent to share at least a portion of the biometric information; receive a response to the consent request, wherein the response includes a consent indication from the wearer; in response to a determination that the consent indication indicates that the wearer has not agreed to the first consent category, suppress transmission of biometric information that is associated with the first consent category, and in response to a determination that the consent indication indicates that the wearer has agreed to the second consent category, transmit, to an acquirer device, the biometric information that is associated with the second consent category. an image capture device configured to capture eye images of an eye; a display configured to display virtual images to the eye (302, 304, 410) of a wearer of the head mounted display (200, 400, 710); and a hardware processor (224, 228, 450) programmed to: obtain the eye images of the wearer captured by the image capture device; determine biometric information of the wearer based at least in part on the eye images, wherein the biometric information is associated with physiological or behavioral characteristics of the wearer; display a user interface comprising a popup including a consent request that includes a plurality of consent categories for the biometric information, wherein the plurality of consent categories includes a first consent category and a second consent category, and wherein the popup includes interactive buttons that are configured to receive input from the wearer indicating consent to share at least a portion of the biometric information; receive a response to the consent request, wherein the response includes a consent indication from the wearer; in response to a determination that the consent indication indicates that the wearer has not agreed to the first consent category, suppress transmission of biometric information that is associated with the first consent category, and in response to a determination that the consent indication indicates that the wearer has agreed to the second consent category, transmit, to an acquirer device, the biometric information that is associated with the second consent category. obtain the eye images of the wearer captured by the image capture device; determine biometric information of the wearer based at least in part on the eye images, wherein the biometric information is associated with physiological or behavioral characteristics of the wearer; display a user interface comprising a popup including a consent request that includes a plurality of consent categories for the biometric information, wherein the plurality of consent categories includes a first consent category and a second consent category, and wherein the popup includes interactive buttons that are configured to receive input from the wearer indicating consent to share at least a portion of the biometric information; receive a response to the consent request, wherein the response includes a consent indication from the wearer; in response to a determination that the consent indication indicates that the wearer has not agreed to the first consent category, suppress transmission of biometric information that is associated with the first consent category, and in response to a determination that the consent indication indicates that the wearer has agreed to the second consent category, transmit, to an acquirer device, the biometric information that is associated with the second consent category.