Provided are resistive random access memory cells and methods of fabricating thereof. The method comprises coupling an engine casing circumferentially around a gas turbine engine. The administrator can establish rules that designate how and when the device can be used and which wallet will be used to pay for goods and services desired by the user, but in the event the user wallet is depleted or low on funds, the administrator wallet can serve as a backup funding source for specified types of goods andor services. The SEGW may forward the indication to the GANC, or the GANC may determine the user-type information internally or retrieve it from a database. The glass seal comprises about 30% B2O3, about 30% to about 40% of a member selected from the group consisting of CaO, MgO, SrO, and combinations thereof, with the proviso that the individual amounts of CaO and MgO are each not greater than about 20%, about 5% La2O3, about 10% SiO2, and about 15% Al2O3, wherein all percentages are mole percentages. The system also includes a synchronization manager for determining that one computing device associated with the user and another computing device associated with the user are absent one or more data updates stored in the memory at the server site.