SECOND AMENDMENT TO ESCROW AGREEMENT

         THIS SECOND AMENDMENT to Escrow Agreement is made as of the 5th day of
February, 1999, by and among AMERICAN CARD TECHNOLOGY, INC., a Delaware
corporation ("American Card"), THE BANK OF NEW YORK (the "Escrow Agent"), and
ROCKCREST SECURITIES L.L.C. ("Underwriter")

                                   WITNESSETH:

         WHEREAS, American Card and Escrow Agent are parties to an escrow
agreement dated as of May 1, 1998 and amended pursuant to an Amendment dated
August 1998 (as amended, the "Escrow Agreement"); and

         WHEREAS, American Card and Escrow Agent desire to include Underwriter
as a party to the Agreement and to conform the Agreement to certain requirements
set forth in Rule 15c2-4 promulgated under the Securities Exchange Act of 1934.

         NOW THEREFORE, in consideration of the foregoing and the covenants
contained herein, the parties hereto agree as follows:

         1.  American Card and Escrow Agent hereby consent to the addition of
Underwriter as a party to the Agreement, and Underwriter hereby consents to be
added as a party to the Agreement.

         2.  The Agreement is hereby amended as follows:

             (a)  Section 1 to the Agreement is hereby deleted in its entirety 
and the following substituted in lieu thereof:

                                    "1.     PROCEEDS TO BE ESCROWED.

                                    (a) The Escrow Agent shall promptly (and, in
                           any case, on or prior to the commencement of the
                           offering) cause to be opened a fully segregated
                           interest-bearing escrow account, which escrow account
                           shall be entitled American Card Technology, Inc. -
                           Escrow Account (the "Escrow Account") for the purpose
                           of holding in escrow all proceeds for the Company and
                           the subscribers. The Underwriter and the selected
                           dealers shall, as to each subscriber in connection
                           with all proceeds received under the offering,
                           instruct each subscriber to remit the purchase price
                           in the form of checks (which checks must be certified
                           if remitted during the last five (5) business days of
                           the offering period) or by wire transfer (in
                           accordance with prior written or facsimile notice to
                           the Escrow Agent) but such checks and wire transfers
                           shall be payable only to the order of Escrow Agent
                           and all such wire transfers or checks shall be
                           accompanied by information identifying each
                           subscriber, subscription, the subscriber's social
                           security or ID number and address. Wire transfers to
                           the Escrow Account shall be made in Federal Funds
                           transferred as follows:



                                             The Bank of New York
                                             ABA No. 021000018
                                             GLA 111-565
                                             Account # 004051
                                             American Card Technology, Inc. - 
                                             Escrow Account

                                    (b) On the terms and conditions of this
                           Agreement, the Escrow Agent shall deposit the
                           proceeds and any interest earned thereon in the
                           Escrow Account. The proceeds shall be invested as
                           promptly as practicable upon their receipt by the
                           Escrow Agent, in accordance with this Agreement. All
                           amounts deposited in the Escrow Account shall be
                           invested and reinvested in the manner provided in
                           Section 7 hereof."

             (b) Section 7 to the Agreement is hereby deleted in its entirety 
and the following substituted in lieu thereof:

                                    "7. INVESTMENT OF PROCEEDS. All funds held
                           by the Escrow Agent pursuant to this Agreement shall
                           constitute trust property for the purposes for which
                           they are held. The Escrow Agent shall invest all
                           funds received from subscribers as directed in
                           writing by the Company in accordance with Rule 15c2-4
                           promulgated under the Securities Exchange Act of
                           1934."

         3. Except as amended hereby, the Escrow Agreement remains in full force
and effect and is hereby ratified and confirmed.

         IN WITNESS WHEREOF, the parties hereto have set their hands and seals
as of the day and year first above written.

                                                 AMERICAN CARD TECHNOLOGY, INC.

                                                     By:    /s/ Raymond Findley
                                                        -----------------------
                                                              Its  President


                                                (SIGNATURES CONTINUED NEXT PAGE)





                                                         THE BANK OF NEW YORK

                                                     By:  /s/ Matthew G. Lewis 
                                                        -----------------------
                                                      Its  Assistant Treasurer

                                                    ROCKCREST SECURITIES L.L.C.

                                                     By:   /s/ Julie Chambers 
                                                        -----------------------
                                                         Its  Vice President