A method for providing secure transactions generates a Secure Card Number for a first entity that is transferred with a first entity identifier to a second entity and then to a money source that verifies that the transaction is valid by use of the first entity identifier and the SCN. A file system driver executing on the computing system agent may receive a reverse name lookup request for an inode number. The dielectric material is constructed of a ferroelectric single crystal having a uniform thickness, and its one surface is used for a recording andor reproducing surface, on the order of mm on a side and about 5000 \u212b thick. A second conversation mirror face biased toward the front seat passenger is fitted to the mirror support surface adjacent the first conversation mirror.