Password (video gaming) Many arcade games, such as the Initial D arcade game, use hashes to allow people to submit their fastest lap times to online score tables (though Initial D uses a proprietary magnetic card to save user data). The hash is used to stop people forging lap times. The password can then be entered on a website to have the time added online. An alternative to this is for the arcade consoles to be networked (internet-connected), as via Konami's e-Amusement system. It is also common in Warcraft 3 mods, where saving data between games is virtually impossible, but generating and reading
Most recent common ancestor Most recent common ancestor In biology and genealogy, the most recent common ancestor (MRCA, also last common ancestor (LCA), or concestor) of any set of organisms is the most recent individual from which all the organisms are directly descended. The term is also used in reference to the ancestry of groups of genes (haplotypes) rather than organisms. The MRCA of a set of individuals can sometimes be determined by referring to an established pedigree. However, in general, it is impossible to identify the exact MRCA of a large set of individuals, but an estimate of the time at which the