Scrypt mining, which is the standard used in mining altcoins like litecoin and dogecoin, is apparently getting pretty big.

KnCMiner, which makes and sells bitcoin mining rigs, is venturing into the world of scrypt mining rigs, and may have struck a new vein of gold. The company began taking orders for its first scrypt rig, called the Titan, on Wednesday. In four hours, according to a company representative, it received $2 million worth of orders.