Patti Payne's Cool Pads: Digital identity guru lists luxury tech loft at $3M

Dick Hardt and his wife Jennifer Hardt are selling their contemporary high-tech condo loft at the edge of the Amazon campus, at 516 Yale Ave. N. Theirs is unit No. 600 in this glass and concrete Tom Kundig building. Windermere Broker Michael Doyle has the $3 million listing. The Hardts are a fascinating couple. Dick Hardt, who has a degree in mechanical engineering, is a world renown expert in digital identity and a sought-after speaker. Among his many appearances, he has spoken at Web 2.0, Supernova,…