EXHIBIT 99.1

Certification
Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
(Subsections (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code)

Pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of section 1350, chapter 63 of title 18, United States Code), each of the undersigned officers of U.S. Wireless Data, Inc., a Delaware corporation (the “Company”), does hereby certify, to such officer’s knowledge, that:

The Annual Report on Form 10-KSB for the year ended June 30, 2002 (the “Form 10-KSB”) of the Company fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, and the information contained in the Form 10-KSB fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated         September 30, 2002                               By: /s/ Dean M. Leavitt      
                                                                                   Dean M. Leavitt
                                                                                   Chairman and Chief Executive
                                                                                       Officer and Chairman
                                                                                   (Principal Executive Officer)

Dated         September 30, 2002                               By: /s/ Adi Raviv      
                                                                                   Adi Raviv
                                                                                   Executive Vice President and
                                                                                   Chief Financial Officer
                                                                                   (Principal Financial Officer)

The foregoing certification is being furnished solely pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of section 1350, chapter 63 of title 18, United States Code) and is not being filed as part of a separate disclosure document.