<PAGE>   1
     As filed with the Securities and Exchange Commission on April 28, 1999

                                                           Registration No. 333-
================================================================================
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                     ------

                                    FORM S-8

            REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933

                                CYBERCASH, INC.
           ---------------------------------------------------------
             (Exact name of registrant as specified in its charter)

                                    DELAWARE
       ------------------------------------------------------------------
         (State or other jurisdiction of incorporation or organization)

                                   54-1725021
                -----------------------------------------------
                      (I.R.S. employer identification no.)

            2100 RESTON PARKWAY, THIRD FLOOR, RESTON, VIRGINIA 20191
       ------------------------------------------------------------------
              (Address of principal executive offices) (Zip code)

                              AMENDED AND RESTATED
        CYBERCASH, INC. 1995 NON-EMPLOYEE DIRECTORS' STOCK OPTION PLAN
        ---------------------------------------------------------------

                           RUSSELL B. STEVENSON, JR.
                                CYBERCASH, INC.
                        2100 RESTON PARKWAY, THIRD FLOOR
                             RESTON, VIRGINIA 20191
                     -------------------------------------
                    (Name and address of agent for service)

                                 (703) 620-4200
         -------------------------------------------------------------
         (Telephone number, including area code, of agent for service)

                                    Copy to:
                               MICHAEL J. SILVER
                             HOGAN & HARTSON L.L.P.
                            111 SOUTH CALVERT STREET
                           BALTIMORE, MARYLAND 21202
                                 (410) 659-2741

                        CALCULATION OF REGISTRATION FEE

  <TABLE>
  <CAPTION>
======================================================================================================================

                                                       Proposed             Proposed maximum
   Title of securities          Amount to be       maximum offering        aggregate offering          Amount of
     to be registered          registered(1)      price per share(1)            price(1)          registration fee(1)

----------------------------------------------------------------------------------------------------------------------
<S>                                <C>              <C>                       <C>                  <C>
  Stock Options and Common           500,000        16 19/32                  $8,296,875               $2447.58
  Stock, par value $.001
  per share (2)
======================================================================================================================
  </TABLE>


(1) Pursuant to Rule 457(h)(1), the proposed maximum offering price per share,
    proposed maximum aggregate offering price and the amount of the registration
    fee are based on the average of the bid and ask price of $16 19/32 per share
    of CyberCash, Inc. common stock on April 27, 1999 as reported on the NASDAQ
    National Market.

(2) Includes Series E Junior Participating Preferred Stock Purchase Rights
    attached thereto, for which no separate fee is payable pursuant to Rule
    457(i).

================================================================================
<PAGE>   2



            In accordance with Section E of the General Instructions to Form
S-8, the contents of Form S-8, Registration No. 333-31641, filed by CyberCash,
Inc. with the Securities and Exchange Commission on July 18, 1997, are
incorporated herein by reference for the registration of 500,000 additional
shares of common stock issuable pursuant to the CyberCash, Inc. 1995 Non-Officer
Directors' Stock Option Plan, as amended.


<PAGE>   3


                                  EXHIBIT INDEX
<TABLE>
<CAPTION>
Exhibit
Number                        Description
------                        -----------
<S>             <C>
5.01             Opinion regarding the legality of the shares of Common Stock
                   being registered

10.7(i)          Amended and Restated CyberCash, Inc. 1995 Non-Officer
                   Directors' Stock Option Plan

23.01            Consent of Ernst & Young, LLP, Independent Auditors

23.02            Consent of Russell B. Stevenson, Jr. (contained in Exhibit
                   5.01)

24               Power of Attorney (contained on signature page)
</TABLE>



<PAGE>   4


                                  SIGNATURES

Pursuant to the requirements of the Securities Act, the Registrant certifies
that it has reasonable grounds to believe that it meets all of the requirements
for filing on Form S-8 and has duly caused this Registration Statement to be
signed on its behalf by the undersigned, thereunto duly authorized, in the
County of Fairfax, Virginia, on April 28, 1999

                                       CyberCash, Inc.

                                       By:
                                          -------------------------------------
                                            William N. Melton
                                            Chief Executive Officer and
                                            Chairman of the Board of Directors

Pursuant to the requirements of the Securities Act of 1933, this Registration
Statement has been signed by the following persons in the capacities and on the
date indicated.

We, the undersigned officers and directors of CyberCash, Inc., hereby severally
and individually constitute and appoint James J. Condon and Russell B.
Stevenson, Jr., and each of them, the true and lawful attorneys and agents of
each of us to execute in the name, place and stead of each of us (individually
and in any capacity stated below) any and all amendments to this Registration
Statement on Form S-8, and all instruments necessary or advisable in connection
therewith and to file the same with the Securities and Exchange Commission, each
of said attorneys and agents to have power to act with or without the other and
to have full power and authority to do and perform in the name and on behalf of
each of the undersigned every act whatsoever necessary or advisable to be done
in the premises as fully and to all intents and purposes as any of the
undersigned might or could do in person, and we hereby ratify and confirm our
signatures as they may be signed by our said attorneys and agents and each of
them to any and all such amendment and amendments.

<TABLE>
<S>                                <C>
Date: April 28, 1999                /s/  William N. Melton
                                    -------------------------------------------
                                    William N. Melton
                                    Chief Executive Officer and Chairman of the Board of Directors

Date: April 28, 1999                /s/  James J. Condon
                                    -------------------------------------------
                                    James J. Condon
                                    President and Chief Operating Officer
                                    (Principal Financial Officer and Principal Accounting Officer)

Date: April 28, 1999                /s/  Daniel C. Lynch
                                    -------------------------------------------
                                    Daniel C. Lynch
                                    Director

Date: April 28, 1999                /s/  Michael Rothschild
                                    -------------------------------------------
                                    Michael Rothschild
                                    Director
</TABLE>
<PAGE>   5

<TABLE>
<S>                                <C>
Date: April 28, 1999                /s/  Charles T. Russell
                                    -------------------------------------------
                                    Charles T. Russell
                                    Director

Date: April 28, 1999                /s/  Garen K. Staglin
                                    -------------------------------------------
                                    Garen K. Staglin
                                    Director
</TABLE>
[{"type": "S-8", "sequence": "1", "description": "FORM S-8", "secsgml_size_bytes": 8812}]
{"company-data": {"conformed-name": "CYBERCASH INC", "cik": "0001004232", "assigned-sic": "7373", "irs-number": "541725021", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "S-8", "act": "33", "file-number": "333-77205", "film-number": "99603095"}, "business-address": {"street1": "2100 RESTON PARKWAY", "street2": "3RD FLOOR", "city": "RESTON", "state": "VA", "zip": "20191", "phone": "7036204200"}, "mail-address": {"street1": "2100 RESTON PARKWAY", "street2": "3RD FLOOR", "city": "RESTON", "state": "VA", "zip": "20191"}}
1
     As filed with the Securities and Exchange Commission on April 28, 1999

                                                           Registration No. 333-
================================================================================
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                     ------

                                    FORM S-8

            REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933

                                CYBERCASH, INC.
           ---------------------------------------------------------
             (Exact name of registrant as specified in its charter)

                                    DELAWARE
       ------------------------------------------------------------------
         (State or other jurisdiction of incorporation or organization)

                                   54-1725021
                -----------------------------------------------
                      (I.R.S. employer identification no.)

            2100 RESTON PARKWAY, THIRD FLOOR, RESTON, VIRGINIA 20191
       ------------------------------------------------------------------
              (Address of principal executive offices) (Zip code)

                              AMENDED AND RESTATED
        CYBERCASH, INC. 1995 NON-EMPLOYEE DIRECTORS' STOCK OPTION PLAN
        ---------------------------------------------------------------

                           RUSSELL B. STEVENSON, JR.
                                CYBERCASH, INC.
                        2100 RESTON PARKWAY, THIRD FLOOR
                             RESTON, VIRGINIA 20191
                     -------------------------------------
                    (Name and address of agent for service)

                                 (703) 620-4200
         -------------------------------------------------------------
         (Telephone number, including area code, of agent for service)

                                    Copy to:
                               MICHAEL J. SILVER
                             HOGAN & HARTSON L.L.P.
                            111 SOUTH CALVERT STREET
                           BALTIMORE, MARYLAND 21202
                                 (410) 659-2741

                        CALCULATION OF REGISTRATION FEE
======================================================================================================================

                                                       Proposed             Proposed maximum
   Title of securities          Amount to be       maximum offering        aggregate offering          Amount of
     to be registered          registered(1)      price per share(1)            price(1)          registration fee(1)

----------------------------------------------------------------------------------------------------------------------
Stock Options and Common           500,000        16 19/32                  $8,296,875               $2447.58
  Stock, par value $.001
  per share (2)
======================================================================================================================
(1) Pursuant to Rule 457(h)(1), the proposed maximum offering price per share,
    proposed maximum aggregate offering price and the amount of the registration
    fee are based on the average of the bid and ask price of $16 19/32 per share
    of CyberCash, Inc. common stock on April 27, 1999 as reported on the NASDAQ
    National Market.

(2) Includes Series E Junior Participating Preferred Stock Purchase Rights
    attached thereto, for which no separate fee is payable pursuant to Rule
    457(i).

================================================================================
2

            In accordance with Section E of the General Instructions to Form
S-8, the contents of Form S-8, Registration No. 333-31641, filed by CyberCash,
Inc. with the Securities and Exchange Commission on July 18, 1997, are
incorporated herein by reference for the registration of 500,000 additional
shares of common stock issuable pursuant to the CyberCash, Inc. 1995 Non-Officer
Directors' Stock Option Plan, as amended.
3

                                  EXHIBIT INDEX
Exhibit
Number                        Description
------                        -----------
5.01             Opinion regarding the legality of the shares of Common Stock
                   being registered

10.7(i)          Amended and Restated CyberCash, Inc. 1995 Non-Officer
                   Directors' Stock Option Plan

23.01            Consent of Ernst & Young, LLP, Independent Auditors

23.02            Consent of Russell B. Stevenson, Jr. (contained in Exhibit
                   5.01)

24               Power of Attorney (contained on signature page)
4

                                  SIGNATURES

Pursuant to the requirements of the Securities Act, the Registrant certifies
that it has reasonable grounds to believe that it meets all of the requirements
for filing on Form S-8 and has duly caused this Registration Statement to be
signed on its behalf by the undersigned, thereunto duly authorized, in the
County of Fairfax, Virginia, on April 28, 1999

                                       CyberCash, Inc.

                                       By:
                                          -------------------------------------
                                            William N. Melton
                                            Chief Executive Officer and
                                            Chairman of the Board of Directors

Pursuant to the requirements of the Securities Act of 1933, this Registration
Statement has been signed by the following persons in the capacities and on the
date indicated.

We, the undersigned officers and directors of CyberCash, Inc., hereby severally
and individually constitute and appoint James J. Condon and Russell B.
Stevenson, Jr., and each of them, the true and lawful attorneys and agents of
each of us to execute in the name, place and stead of each of us (individually
and in any capacity stated below) any and all amendments to this Registration
Statement on Form S-8, and all instruments necessary or advisable in connection
therewith and to file the same with the Securities and Exchange Commission, each
of said attorneys and agents to have power to act with or without the other and
to have full power and authority to do and perform in the name and on behalf of
each of the undersigned every act whatsoever necessary or advisable to be done
in the premises as fully and to all intents and purposes as any of the
undersigned might or could do in person, and we hereby ratify and confirm our
signatures as they may be signed by our said attorneys and agents and each of
them to any and all such amendment and amendments.
Date: April 28, 1999                /s/  William N. Melton
                                    -------------------------------------------
                                    William N. Melton
                                    Chief Executive Officer and Chairman of the Board of Directors

Date: April 28, 1999                /s/  James J. Condon
                                    -------------------------------------------
                                    James J. Condon
                                    President and Chief Operating Officer
                                    (Principal Financial Officer and Principal Accounting Officer)

Date: April 28, 1999                /s/  Daniel C. Lynch
                                    -------------------------------------------
                                    Daniel C. Lynch
                                    Director

Date: April 28, 1999                /s/  Michael Rothschild
                                    -------------------------------------------
                                    Michael Rothschild
                                    Director
5
Date: April 28, 1999                /s/  Charles T. Russell
                                    -------------------------------------------
                                    Charles T. Russell
                                    Director

Date: April 28, 1999                /s/  Garen K. Staglin
                                    -------------------------------------------
                                    Garen K. Staglin
                                    Director