She might use a safe hardware solution like a MicroSD HSM (hardware security module) to accomplish this.
Any physical part of an analog or digital computer is referred to as "computer hardware" collectively. The term "hardware" separates the physical components of a computing system from "software," which consists of written, machine-readable instructions or programs that instruct physical components on what to do and when to execute them.
Both hardware and software work well together. Only when hardware and software are properly integrated can a computing device operate effectively and generate valuable output.
Internal or external components make up different types of computer hardware. External hardware components are typically attached to a computer to add or enhance functionality, whilst internal hardware components are those required for the device to operate properly.
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