<DOCUMENT>
<TYPE>EX-32.1
<SEQUENCE>5
<FILENAME>g87036exv32w1.txt
<DESCRIPTION>EX-32.1 CERTIFICATION OF CEO PURSUANT SECTION 906
<TEXT>
<PAGE>




                                                                    EXHIBIT 32.1




              CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO
                 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002


         In connection with the Annual Report of CDSI Holdings Inc. (the
"Company") on Form 10-KSB for the period ended December 31, 2003 as filed with
the Securities and Exchange Commission on the date hereof (the "Report"), I,
Richard J. Lampen, Chief Executive Officer of the Company, certify, pursuant to
18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley
Act of 2002, that, to my knowledge:

         1.  The Report fully complies with the requirements of Section 13(a) or
             15(d) of the Securities Exchange Act of 1934; and

         2.  The information contained in the Report fairly presents, in all
             material respects, the financial condition and results of
             operations of the Company.











February 6, 2004                       /s/ Richard J. Lampen
                                       -----------------------------------------
                                       Richard J. Lampen
                                       President and Chief Executive Officer





</TEXT>
</DOCUMENT>
