CoinWorld news, 74-year-old man Naiping Hou went missing in California on May 4, and police believe the case may be related to his family's cryptocurrency assets. Hou's son, Wen Hou, the Chief Investment Officer of the cryptocurrency investment firm Coincident Capital, stated that over 1 million dollars were stolen from his father's account and a reward of 250,000 dollars has been offered for information.