Methods and systems provide for sharing of a network resource that requires an authentication ID for access with a user not currently having an authentication ID. A placeholder is generated in an access list providing authorization for the network resource and the placeholder is associated with a known identifier of the user. Upon the user obtaining an authentication ID and attempting to access the network resource, the authentication ID for the user is stored in the placeholder to establish authorization for the user to the network resource. Several checks may be made prior to storing the authentication ID within the placeholder, including determining whether the user has verified obtaining the authentication ID with the issuer, determining whether the authentication ID of the user attempting access matches the authentication ID the issuer has provided for the user, and determining whether the known identifier stored in the placeholder matches a sign-in provided by the user.