<PAGE>

                                                                    EXHIBIT 31.1



                                  CERTIFICATION



     I, Emilian Elefteratos, Chief Executive Officer of SiVault Systems,
Inc.,certify that:

     1. I have reviewed this Amendment No.1 to Annual Report on Form 10-KSB of
SiVault Systems, Inc.;

     2. Based on my knowledge, this annual report as amended does not contain
any untrue statement of a material fact or omit to state a material fact
necessary to make the statements made, in light of the circumstances under which
such statements were made, not misleading with respect to the period covered by
this annual report;

     3. Based on my knowledge, the financial statements, and other financial
information included in this annual report, fairly present in all material
respects the financial condition, results of operations and cash flows of the
registrant as of, and for, the periods presented in this annual report;

     4. The registrant's other certifying officers and I are responsible for
establishing and maintaining disclosure controls and procedures (as defined in
Exchange Act Rules 13a-14(c) and 15d-14(c)) for the registrant and we have:

        a) Designed such disclosure controls and procedures, or caused such
disclosure controls and procedures to be designed under our supervision, to
ensure that material information relating to the registrant, including its
consolidated subsidiaries, is made known to us by others within those entities,
particularly during the period in which this annual report is being prepared;

        b) Evaluated the effectiveness of the registrant's disclosure controls
and procedures, and presented in this annual report our conclusions about the
effectiveness of the disclosure controls and procedures as of the end of the
period covered by this report based on our evaluation;

        c) Disclosed in this report any change in the registrant's internal
controls over financial reporting that occurred during the registrant's most
recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an
annual report) that has materially affected, or is reasonably likely to
materially affect, the registrant's internal control over financial reporting;
and

     5. The registrant's other certifying officers and I have disclosed, based
on our most recent evaluation of internal controls over financial reporting, to
the registrant's auditors and the audit committee of registrant's board of
directors (or persons performing the equivalent functions):


<PAGE>


        a) All significant deficiencies and material weaknesses in the design or
operation of internal controls over financial reporting which are reasonably
likely to adversely affect the registrant's ability to record, process,
summarize and report financial information; and

        b) Any fraud, whether or not material, that involves management or other
employees who have a significant role in the registrant's internal control over
financial reporting.





Date:  October  28,  2004       /s/ Emilian  Elefteratos
                               ------------------------------------------------
                               Emilian  Elefteratos,  Chief  Executive  Officer