Exhibit 23.1

                       CONSENT OF INDEPENDENT ACCOUNTANTS


      We hereby consent to the incorporation by reference in this Amendment No.
1 to Registration Statement on Form S-3/A of our report dated August 29, 2002
relating to the financial statements and financial statement schedules, which
appears in Authentidate Holding Corp.'s Annual Report on Form 10-K for the year
ended June 30, 2002. We also consent to the reference to us under the heading
"Experts" in such Registration Statement.

PricewaterhouseCoopers LLP

Albany, New York
December 6, 2002