What is ZetaCoin (ZET) ? ZetaCoin (ZET) is a SHA256 coin / altcoin / cryptocoin that launched in August, 2013. It has been growing in popularity since then. It has a wallet available for every major operating system as well as for Android. There is also a growing list of stores and online websites that accept ZetaCoin as a form of payment. Here is the list of sites that use and accept ZetaCoin as a form of payment: http://www.123bit.com/index.php?page=stores-and-websites-that-accept-zetacoin