The increasing use of modchips and emulators
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Description:
A modchip (=hardware) is a device used to play import games and/or circumvent digital rights management (first generation) of many popular game consoles, including the Xbox and PlayStation. Almost all modern disc-based console gaming systems, with the notable exception of the Sega Dreamcast have hardware-based schemes which ensure that only officially sanctioned games may be used with the system, also making simple bitwise copying of games impossible. For example, Microsoft must cryptographically "sign" every Xbox game with their 2048-bit private key for it to work in an unmodded Xbox. Modchips circumvent this protection by effectively routing around the security check. Many mod chips require some experience to install, especially since they require to be soldered, though recently, solderless mod chips have made headway.
An emulator (=software), in the most general sense, duplicates (provide an emulation of) the functions of one system with a different system, so that the second system appears to behave like the first system. (Contrast with simulation).