Document:

<PAGE>

                                                Executed in 6 Parts
                                              Counterpart No. (   )

                     NATIONAL EQUITY TRUST

                 B2B E-COMMERCE ENABLERS TRUST

                   REFERENCE TRUST AGREEMENT

       This Reference Trust Agreement dated February 24, 2000 among
Prudential Securities Incorporated, as Depositor and The Bank of New
York, as Trustee, sets forth certain provisions in full and incorpo-
rates other provisions by reference to the document entitled "National
Equity Trust, Trust Indenture and Agreement" (the "Basic Agreement")
dated February 2, 2000.  Such provisions as are set forth in full
herein and such provisions as are incorporated by reference constitute
a single instrument (the "Indenture").

                        WITNESSETH THAT:

       In consideration of the premises and of the mutual agree-
ments herein contained, the Depositor and the Trustee agree as fol-
lows:

                            Part I.

             STANDARD TERMS AND CONDITIONS OF TRUST

       Subject to the provisions of Part II hereof, all the provi-
sions contained in the Basic Agreement are herein incorporated by ref-
erence in their entirety and shall be deemed to be a part of this in-
strument as fully and to the same extent as though said provisions had
been set forth in full in this instrument.

<PAGE>

                              -2-

                            Part II.

             SPECIAL TERMS AND CONDITIONS OF TRUST

       The following special terms and conditions are hereby agreed
to:

       A.   The Trust is denominated National Equity Trust, B2B E-
  Commerce Enablers Trust.

       B.   The Units of the Trust shall be subject to a deferred
  sales charge.

       C.   The publicly traded stocks listed in Schedule A hereto
  are those which, subject to the terms of this Indenture, have
  been or are to be deposited in Trust under this Indenture as of
  the date hereof.

       D.   The term "Depositor" shall mean Prudential Securities
  Incorporated.

       E.   The aggregate number of Units referred to in Sec-
  tions 2.03 and 9.01 of the Basic Agreement is 250,000 as of the
  date hereof.

       F.   A Unit of the Trust is hereby declared initially equal
  to 1/250,000th of the Trust.

       G.   The term "First Settlement Date" shall mean
  March 1, 2000.

       H.   The terms "Computation Day" and "Record Date" shall be
  on such dates as the Sponsor shall direct.

       I.   The term "Distribution Date" shall be on such dates as
  the Sponsor shall direct.

       J.   The term "Termination Date" shall mean February 26, 2002.

       K.   The Trustee's Annual Fee shall be $.90 (per 1,000
  Units) for 49,999,999 and below units outstanding $.84 (per
  1,000 Units) on the next 50,000,000 Units, $.78 (per 1,000
  Units) on the next 100,000,000 Units and $.66 (per 1,000 Units)
  on Units in excess of 200,000,000 Units.  In calculating the
  Trustee's annual fee, the fee applicable to the number of units
  outstanding shall apply to all units outstanding.

<PAGE>

                               -3-

       L.   The Depositor's Portfolio supervisory service fee shall
          be $.25 per 1,000 Units.

       [Signatures and acknowledgments on separate pages]

<PAGE>

                              -4-

       The Schedule of Portfolio Securities in Part A of the pro-
       spectus included in this Registration Statement for National
       Equity Trust, B2B E-Commerce Enablers Trust is hereby incor-
       porated by reference herein as Schedule A hereto.<PAGE>   1
                                                                    EXHIBIT 10.3

                                       1

                              ASSIGNMENT AGREEMENT

Effective April 19, 1999.

BETWEEN:

      CYBEROAD GAMING CORPORATION, a St. Kitts corporation having a place of
      business at Box 174 Basseterre St. Kitts, West Indies.

                                                                (the "Assignor")
AND

      CYBEROAD.COM (ISLE OF MAN) LIMITED, an Isle of Man corporation having a
      place of business at International House, Castle Hill, Victoria Road,
      Douglas, Isle of Man, IM2 4RB.

                                                                (the "Assignee")
1.0   ASSIGNMENT

      1.1   In consideration of the sum of one hundred thousand U.S. dollars
            ($100,000 U.S.) and other good and valuable consideration, the
            receipt and sufficiency of which is hereby acknowledged, the
            Assignor hereby transfers, conveys, and assigns to the Assignee:

      1.2   all of its rights, title and benefit as well as its obligations and
            responsibilities pursuant to an Operating and Revenue Sharing
            Management Agreement dated March 13, 1998 between the Assignor and
            Internet Wagering Systems, Ltd.;

      1.3   the said Agreement dated March 13, 1998;

      1.4   all of its rights, title and benefit as well as its obligations and
            responsibilities pursuant to a Nonexclusive License Agreement dated
            March 5, 1998 between the Assignor and Internet Wagering Systems
            Ltd.

      1.5   the said Agreement dated March 5, 1998;

      1.6   all of its rights, title and benefit as well as its obligations and
            responsibilities pursuant to a Binding Letter of Intent dated March
            5, 1998 between the Assignor and Internet Wagering System's Ltd; and

      1.7   the said letter of Intent dated March 5, 1998.

<PAGE>   2

                                        2

2.0   DOCUMENTS

      The documents which are the subject of this Assignment Agreement are
      attached hereto and marked Schedule "A".

3.0   SUCCESSORS

      This Agreement shall entire to the benefit of the Assignee and shall be
      binding upon the Assignor and its executors, successors and assigns.

4.0   GOVERNING LAW

      This Agreement shall be governed by and construed in accordance with the
      laws of Isle of Man.

IN WITNESS WHEREOF the parties have caused these presents to be executed
personally or by their duly authorized officers as of the day and year first
written above.

CYBEROAD GAMING CORPORATION                  CYBEROAD.COM (ISLE OF MAN) LIMITED

Per: /s/ LAWRENCE COFIELD                    Per: /s/ JOHN COFFEY
    --------------------------                   --------------------------
Name: Lawrence Cofield                       Name: John Coffey
Title: Director                              Title: Director<PAGE>   1
                                                                    EXHIBIT 10.4

                     AMENDMENT TO THE ASSIGNMENT AGREEMENT
                              Dated April 19, 1999

BETWEEN: CYBEROAD GAMING CORPORATION, a St. Kitts corporation ("CGC") and

BETWEEN: CYBEROAD.COM (ISLE OF MAN) LIMITED, an Isle of Man corporation,
("Cyberoad 10M");

WHEREAS this Amendment acknowledges that:

     a)   the Assignment Agreement amending the Operating and Revenue Sharing
          Agreement for Internet Wagering Systems Ltd., executed by the parties
          hereto, is to be made effective as of May 1, 1999; and

     b)   the total consideration, as paid in full, is U.S. $10,000.00, and
          other good and valuable consideration, the receipt of which is hereby
          acknowledged.

EXECUTION IN COUNTERPART

This instrument may be signed in counterpart, in as many counterparts as may be
necessary, each of which shall be deemed to be an original, and each of which
shall constitute one and the same instrument, and shall bear the date first
written above.

ACKNOWLEDGED AND AGREED TO ON THE 18th DAY OF OCTOBER, 1999 BY:

CYBEROAD GAMING CORPORATION CYBEROAD.COM (ISLE OF MAN) LIMITED

/s/ LAWRENCE COFIELD,                    /s/ JOHN COFFEY,
--------------------------               --------------------------
    Lawrence Cofield,                        John Coffey,
    Director                                 Director<PAGE>   1

                                                                    EXHIBIT 10.6

                              ASSIGNMENT AGREEMENT

Effective April 19, 1999

BETWEEN:

     CYBEROAD GAMING CORPORATION, a St. Kitts corporation having a place of
     business at Box 174, Basseterre, St. Kitts, West Indies

                                                                (the "Assignor")

AND

     CYBEROAD.COM (ISLE OF MAN) LIMITED, an Isle of Man corporation having a
     place of business at International House, Castle Hill, Victoria Road,
     Douglas, Isle of Man, IM2 4RB

                                                                (the "Assignee")

1.0  ASSIGNMENT

     1.1  In consideration of the sum of one hundred thousand U.S. dollars
          ($100,000.00 U.S.) and other good and valuable consideration, the
          receipt and sufficiency of which is hereby acknowledged, the Assignor
          hereby transfers, conveys, and assigns to the Assignee;

     1.2  all of its rights, title and benefit as well as its obligations and
          responsibilities pursuant to an Operating License, Revenue Sharing and
          Management Agreement dated May 5, 1998 between the Assignor and Asanol
          Management Corporation;

     1.3  the said Agreement dated May 5, 1998.

2.0  DOCUMENTS

     The documents which are the subject of this Assignment Agreement are
     attached hereto and marked Schedule "A"
<PAGE>   2
                                       2

3.0  SUCCESSORS

     This Agreement shall enure to the benefit of the Assignee and shall be
     binding upon the Assignor and its executors, successors and assigns.

4.0  GOVERNING LAW

     This Agreement shall be governed by and construed in accordance with the
     laws of Isle of Man.

IN WITNESS WHEREOF the parties have caused these presents to be executed
personally or by their duly authorized officers as of the day and year first
written above.

CYBEROAD GAMING CORPORATION           CYBEROAD.COM (ISLE OF MAN) LIMITED

Per: /s/ LAWRENCE COFIELD             Per:  /s/ JOHN COFFEY
    --------------------------             --------------------------

Name:  Lawrence Cofield               Name:  John Coffey
Title: Director                       Title: Director

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