<PAGE> 1
FILED UNDER RULE 424(c) OF REGULATION C
SEC FILE NUMBER: 333-51495
PROSPECTUS SUPPLEMENT
(TO PROSPECTUS DATED MAY 27, 1998)
CYBERCASH, INC.
2,300,000 SHARES OF COMMON STOCK
The information in this Prospectus Supplement concerning the Selling
Stockholders supplements the statement set forth under the caption "Selling
Stockholders" in the Prospectus. Capitalized items used and not defined herein
shall have the meanings given to them in the Prospectus.
SELLING STOCKHOLDERS
The information set forth under the caption "Selling Stockholders" in
the Prospectus is supplemented as follows:
<TABLE>
<CAPTION>
Shares Shares Percentage
Owned Shares Owned Owned
Selling Before to be After After
Stockholder(1) Offering Offered Offering Offering
- --------------------------------- ------------- -------------- --------------------------------
<C> <C> <C> <C> <C>
John A. Barber Separate Property 539 539 0 0
Trust, UDT 14 Jan., 1986
Mellon Bank, N.A. as Trustee 6,467 6,467 0 0
for the Bell Atlantic Master
Trust
Ann S. Bowers, Trustee, Ann S. 1,078 1,078 0 0
Bowers Separate Property Trust
Public Employees' Retirement 6,467 6,467 0 0
Association of Colorado
Royal & Sun Alliance Trust 2,157 2,157 0 0
Company Limited as Trustee of
Crossroads Capital IV Venture
Capital Fund
Crossroads Constitution Limited 6,467 6,467 0 0
Partnership
Crossroads Providence Limited 4,311 4,311 0 0
Partnership
Endowment Venture Partners, 10,778 10,778 0 0
Limited Partnership
The Ford Foundation 10,778 10,778 0 0
</TABLE>
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<TABLE>
<CAPTION>
Shares Shares Percentage
Owned Shares Owned Owned
Selling Before to be After After
Stockholder Offering Offered Offering Offering
- --------------------------------- ------------- -------------- --------------------------------
<S> <C> <C> <C> <C>
Andrew S. Grove and Eva Kastan 862 862 0 0
Grove, Co-Trustees of The
Andrew S. Grove and Eva Kastan
Grove Living Trust dtd 6/4/70
Master Trust Pursuant to the 4,311 4,311 0 0
Hewlett-Packard Deferred Profit
Sharing Plan and Supplemental
Pension Plan
Horsley Bridge Fund II, L.P. 30,180 30,180 0 0
Leeway & Co. 21,557 21,557 0 0
Arthur Rock 323 323 0 0
William J. Schroeder and
Marilee J. Schroeder, Trustees 539 539 0 0
under Revocable Trust Agreement
dated November 1, 1993 as
amended
J.F. Shea Co., Inc. as Nominee 2,157 2,157 0 0
1991-29
Stanford University 10,778 10,778 0 0
University of Notre Dame 6,467 6,467 0 0
University of Southern 6,467 6,467 0 0
California
Philippe Villers 1,617 1,617 0 0
The President and Trustees of 4,311 4,311 0 0
Williams College
Young Men's Christian 5,389 5,389 0 0
Association Retirement Fund
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</TABLE>
The date of this Prospectus Supplement is May 29, 1998.
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(1) Each of the Selling Stockholders is a limited partner of Mohr, Davidow
Ventures III. Information concerning the Selling Stockholders may change from
time to time and any such changed information will be set forth in supplements
to this Prospectus if and when necessary.