XKV stands for X key value: eXchangeable key value eXtensible key value eXclusive key value eXtreme key value Key value concept: "A key-value database, or key-value store, is a data storage paradigm designed for storing, retrieving, and managing associative arrays, a data structure more commonly known today as a dictionary or hash table." Source: … [Read more...] about XKV.org, three letter domain name for sale