BIOS (basic input/output system) computer program; Calculators; Computer hardware for cryptocurrency mining; Computer operating programs and computer operating systems; Computer peripherals; Computers and computer hardware; Currency counting machines; Currency recognition machines; Electronic currency converters; Hardened units composed of microprocessors and integrated transmitters and receivers installed in the field at large scale mining, construction, and industrial sites to collect data from monitoring and control installations, to transmit the data to central processing facilities, and to receive data transmissions directed to the installations