<PAGE>

                                                                     EXHIBIT 4.6

THIS WARRANT AND THE SECURITIES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED
UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR THE SECURITIES LAWS OF ANY
STATE, AND MAY NOT BE TRANSFERRED IN VIOLATION OF SUCH ACT, THE RULES AND
REGULATIONS THEREUNDER OR ANY STATE SECURITIES LAWS OR THE PROVISIONS OF THIS
WARRANT.

                     No. of Shares of Common Stock: 100,000

                                     WARRANT

                           To Purchase Common Stock of

                           5B TECHNOLOGIES CORPORATION

     THIS IS TO CERTIFY THAT La Vista Investors LLC, a Delaware limited
liability company, or its registered assigns, is entitled, at any time from the
Warrant Issuance Date (as hereinafter defined) to the Expiration Date (as
hereinafter defined), to purchase from 5B Technologies Corporation, a Delaware
corporation (the "Company"), one hundred thousand (100,000) shares of Common
Stock (as hereinafter defined and subject to adjustment as provided herein), in
whole or in part, including fractional parts, at a purchase price per share
equal to ten dollars ($10.00) (subject to any adjustments made to such amount
pursuant to Section 4 hereto) on the terms and conditions and pursuant to the
provisions hereinafter set forth.

1. DEFINITIONS

     As used in this Warrant, the following terms have the respective meanings
set forth below:

     "Additional Shares of Common Stock" shall mean all shares of Common Stock
issued by the Company after the Closing Date, other than Warrant Stock.

     "Book Value" shall mean, in respect of any share of Common Stock on any
date herein specified, the consolidated book value of the Company as of the last
day of any month immediately preceding such date, divided by the number of Fully
Diluted Outstanding shares of Common Stock as determined in accordance with GAAP
(assuming the payment of the exercise prices for such shares) by a firm of
independent certified public accountants of recognized national standing
selected by the Company and reasonably acceptable to the Holder.

     "Business Day" shall mean any day that is not a Saturday or Sunday or a day
on which banks are required or permitted to be closed in the State of New York.

     "Closing Date" shall have the meaning set forth in the Securities Purchase
Agreement.

     "Commission" shall mean the Securities and Exchange Commission or any other
federal agency then administering the Securities Act and other federal
securities laws.


<PAGE>

     "Common Stock" shall mean (except where the context otherwise indicates)
the Common Stock, par value $.04 per share, of the Company as constituted on the
Closing Date, and any capital stock into which such Common Stock may thereafter
be changed, and shall also include (i) capital stock of the Company of any other
class (regardless of how denominated) issued to the holders of shares of Common
Stock upon any reclassification thereof which is also not preferred as to
dividends or assets over any other class of stock of the Company and which is
not subject to redemption and (ii) shares of common stock of any successor or
acquiring corporation received by or distributed to the holders of Common Stock
of the Company in the circumstances contemplated by Section 4.4.

     "Convertible Securities" shall mean evidences of indebtedness, shares of
stock or other securities, which are convertible into or exchangeable, with or
without payment of additional consideration in cash or property, for shares of
Common Stock, either immediately or upon the occurrence of a specified date or a
specified event.

     "Current Warrant Price" shall mean ten dollars ($10.00) subject to any
adjustments to such amount made in accordance with Section 4 hereof.

     "Exchange Act" shall mean the Securities Exchange Act of 1934, as amended,
or any successor federal statute, and the rules and regulations of the
Commission thereunder, all as the same shall be in effect from time to time.

     "Exercise Period" shall mean the period during which this Warrant is
exercisable pursuant to Section 2.1.

     "Expiration Date" shall mean April 17, 2005.

     "Fully Diluted Outstanding" shall mean, when used with reference to Common
Stock, at any date as of which the number of shares thereof is to be determined,
all shares of Common Stock Outstanding at such date and all shares of Common
Stock issuable in respect of this Warrant and other options or warrants to
purchase, or securities convertible into, including without limitation the
shares of Common Stock outstanding on such date which would be deemed
outstanding in accordance with GAAP for purposes of determining book value or
net income per share.

     "GAAP" shall mean generally accepted accounting principles in the United
States of America as from time to time in effect.

     "Holder" shall mean the Person in whose name the Warrant or Warrant Stock
set forth herein is registered on the books of the Company maintained for such
purpose.

     "Market Price" per Common Share means for any security as of any date, the
closing bid price on the principal securities exchange or trading market where
the Common Stock is listed or traded as reported by Bloomberg, L.P.
("Bloomberg") or, if applicable, the closing bid price of the Common Stock in
the over-the-counter market on the electronic bulletin board for such security
as reported by Bloomberg, or, if no closing bid price is reported for the Common
Stock by Bloomberg, then the average of the bid prices of any market makers for
such security as reported in the "pink sheets" by the National Quotation Bureau,
Inc. If the Market Price of the Common Stock can not be calculated on such date
on any of the foregoing bases, the Market Price of the Common Stock on such date
shall be the fair market value as determined in good faith by the Board of
Directors of the Company and the holders of a majority of the


                                       2
<PAGE>

outstanding shares of Series A Preferred Stock being converted for which the
calculation of the Market Price is required.

     "Other Property" shall have the meaning set forth in Section 4.4.

     "Outstanding" shall mean, when used with reference to Common Stock, at any
date as of which the number of shares thereof is to be determined, all issued
shares of Common Stock, except shares then owned or held by or for the account
of the Company or any subsidiary thereof, and shall include all shares issuable
in respect of outstanding scrip or any certificates representing fractional
interests in shares of Common Stock.

     "Person" shall mean any individual, sole proprietorship, partnership, joint
venture, trust, incorporated organization, association, corporation,
institution, public benefit corporation, entity or government (whether federal,
state, county, city, municipal or otherwise, including, without limitation, any
instrumentality, division, agency, body or department thereof).

     "Registration Rights Agreement" shall mean the Registration Rights
Agreement dated a date even herewith by and between the Company and La Vista
Investors LLC, as it may be amended from time to time.

     "Restricted Common Stock" shall mean shares of Common Stock which are, or
which upon their issuance on the exercise of this Warrant would be, evidenced by
a certificate bearing the restrictive legend set forth in Section 9.1(a).

     "Securities Act" shall mean the Securities Act of 1933, as amended, or any
successor federal statute, and the rules and regulations of the Commission
thereunder, all as the same shall be in effect at the time.

     "Securities Purchase Agreement" shall mean the Securities Purchase
Agreement dated as of a date even herewith by and between the Company and La
Vista Investors LLC, as it may be amended from time to time.

     "Transfer" shall mean any disposition of any Warrant or Warrant Stock or of
any interest in either thereof, which would constitute a sale thereof within the
meaning of the Securities Act.

     "Transfer Notice" shall have the meaning set forth in Section 9.2.

     "Warrant Issuance Date" shall mean the date hereof.

     "Warrants" shall mean this Warrant and all warrants issued upon transfer,
division or combination of, or in substitution for, any thereof. All Warrants
shall at all times be identical as to terms and conditions and date, except as
to the number of shares of Common Stock for which they may be exercised.

     "Warrant Price" shall mean an amount equal to (i) the number of shares of
Common Stock being purchased upon exercise of this Warrant pursuant to Section
2.1, multiplied by (ii) the Current Warrant Price as of the date of such
exercise.

     "Warrant Stock" shall mean the shares of Common Stock purchased by the
holders of the Warrants upon the exercise thereof.


                                       3
<PAGE>

2. EXERCISE OF WARRANT

     2.1. MANNER OF EXERCISE. From and after the Warrant Issuance Date and until
5:00 P.M., New York City time, on the Expiration Date, Holder may exercise this
Warrant, on any Business Day, for all or any part of the number of shares of
Common Stock purchasable hereunder.

     In order to exercise this Warrant, in whole or in part, Holder shall
deliver to the Company at the office or agency designated by the Company
pursuant to Section 12, (i) a written notice of Holder's election to exercise
this Warrant, which notice shall specify the number of shares of Common Stock to
be purchased, (ii) payment by cash, check or bank draft payable to the Company
of the Warrant Price in cash or by wire transfer or cashier's check drawn on a
United States bank or to the extent permitted under Section 2.5 by the Holder's
surrender of Warrant Stock (or the right to receive such number of shares)
having an aggregate Market Price equal to the Warrant Price for all shares then
being purchased and (iii) this Warrant. Such notice shall be substantially in
the form of the subscription form appearing at the end of this Warrant as
EXHIBIT A, duly executed by Holder or its agent or attorney. Upon receipt of the
items referred to in clauses (i), (ii) and (iii) above, the Company shall, as
promptly as practicable, and in any event within three (3) Business Days
thereafter, execute or cause to be executed and deliver or cause to be delivered
to Holder a certificate or certificates representing the aggregate number of
full shares of Common Stock issuable upon such exercise, together with cash in
lieu of any fraction of a share, as hereinafter provided. The stock certificate
or certificates so delivered shall be, to the extent possible, in such
denomination or denominations as Holder shall request in the notice and shall be
registered in the name of Holder or, subject to Section 9, such other name as
shall be designated in the notice. This Warrant shall be deemed to have been
exercised and such certificate or certificates shall be deemed to have been
issued, and Holder or any other Person so designated to be named therein shall
be deemed to have become a holder of record of such shares for all purposes, as
of the date the Warrant has been exercised by payment to the Company of the
Warrant Price. If this Warrant shall have been exercised in part, the Company
shall, at the time of delivery of the certificate or certificates representing
Warrant Stock, deliver to Holder a new Warrant evidencing the rights of Holder
to purchase the unpurchased shares of Common Stock called for by this Warrant,
which new Warrant shall in all other respects be identical with this Warrant.

     The Holder shall be entitled to exercise the Warrant notwithstanding the
commencement of any case under 11 U.S.C. Section 101 ET SEQ. (the "Bankruptcy
Code"). In the event the Company is a debtor under the Bankruptcy Code, the
Company hereby waives to the fullest extent permitted any rights to relief it
may have under 11 U.S.C. Section 362 in respect of the Holder's exercise right.
The Company hereby waives to the fullest extent permitted any rights to relief
it may have under 11 U.S.C. Section 362 in respect of the exercise of the
Warrant. The Company agrees, without cost or expense to the Holder, to take or
consent to any and all action necessary to effectuate relief under 11 U.S.C.
Section 362.

     2.2. PAYMENT OF TAXES AND CHARGES. All shares of Common Stock issuable upon
the exercise of this Warrant pursuant to the terms hereof shall be validly
issued, fully paid and nonassessable, and without any preemptive rights. The
Company shall pay all expenses in


                                       4
<PAGE>

connection with, and all taxes and other governmental charges that may be
imposed with respect to, the issue or delivery thereof.

     2.3. FRACTIONAL SHARES. The Company shall not be required to issue a
fractional share of Common Stock upon exercise of any Warrant. As to any
fraction of a share which Holder would otherwise be entitled to purchase upon
such exercise, the Company shall pay a cash adjustment in respect of such final
fraction in an amount equal to the same fraction of the Market Price per share
of Common Stock on the relevant exercise date.

     2.4. CONTINUED VALIDITY. A holder of shares of Common Stock issued upon the
exercise of this Warrant, in whole or in part (other than a holder who acquires
such shares after the same have been publicly sold pursuant to a Registration
Statement under the Securities Act or sold pursuant to Rule 144 thereunder),
shall continue to be entitled with respect to such shares to all rights to which
it would have been entitled as Holder under Sections 9, 10 and 14 of this
Warrant and subject to the terms thereof. The Company will, at the time of
exercise of this Warrant, in whole or in part, upon the request of Holder,
acknowledge in writing, in form reasonably satisfactory to Holder, its
continuing obligation to afford Holder all such rights; PROVIDED, HOWEVER, that
if Holder shall fail to make any such request, such failure shall not affect the
continuing obligation of the Company to afford to Holder all such rights.

     2.5. RIGHT TO CONVERT WARRANT. The Holder shall have the right to convert,
in whole or in part, this Warrant (the "Conversion Right") at any time prior to
the expiration of the Exercise Period into shares of Common Stock in accordance
with this Section 2.5, provided that such Conversion Right shall not be
available to the Holder in the event that the registration statement filed
pursuant to the Registration Rights Agreement covering the Registrable
Securities (as defined in the Registration Rights Agreement) is effective. Upon
exercise of the Conversion Right, the Company shall deliver to the Holder
(without payment by the Holder of the Warrant Price) that number of shares of
Common Stock equal to the quotient obtained by dividing (x) the value of the
portion of this Warrant being converted at the time the Conversion Right is
exercised (determined by subtracting the Warrant Price for the portion of this
Warrant being converted (in effect immediately prior to the exercise of the
Conversion Right) from the amount obtained by multiplying the number of shares
of Common Stock issuable upon the whole or partial exercise of this Warrant, as
the case may be, by the Market Price immediately prior to the exercise of the
Conversion Right) by (y) the Market Price of one share of Common Stock
immediately prior to the exercise of the Conversion Right.

     The Conversion Right may be exercised by the Holder, at any time or from
time to time, prior to its expiration, on any business day by delivering a
written notice (the "Conversion Notice") to the Company at the offices of the
Company, exercising the Conversion Right and specifying (i) the total number of
shares of Common Stock the Holder will purchase pursuant to the conversion, and
(ii) a place and date not less than two (2) nor more than twenty (20) Business
Days from the date of the Conversion Notice for the closing of such purchase.

     At any closing under this Section 2.5, (i) the Holder will surrender this
Warrant, and (ii) the Company will deliver to the Holder a certificate or
certificates for the number of shares of Common Stock issuable upon such
conversion. If this Warrant shall have been converted only in part, the Company
shall, at the time of delivery of said stock certificate or


                                       5
<PAGE>

certificates, deliver to the Holder a new Warrant evidencing the rights of the
Holder to purchase the remaining shares of Common Stock called for by this
Warrant, which new Warrant shall in all other respects be identical to this
Warrant, or, at the request of the Holder, appropriate notation may be made on
this Warrant and the same returned to the Holder. The Company shall pay all
expenses, taxes and other charges payable in connection with the preparation,
issue and delivery of such stock certificates and new Warrants, except that, in
case such stock certificates and/or new Warrants shall be registered in a name
or names other than the name of the Holder, funds sufficient to pay all stock
transfer taxes that are payable upon the issuance of such stock certificates or
new Warrants shall be paid by the Holder at the time of delivering the notice of
exercise mentioned above.

3. TRANSFER, DIVISION AND COMBINATION

     3.1. TRANSFER. Subject to compliance with Sections 9, transfer of this
Warrant and all rights hereunder, in whole or in part, shall be registered on
the books of the Company to be maintained for such purpose, upon surrender of
this Warrant at the principal office of the Company referred to in Section 2.1
or the office or agency designated by the Company pursuant to Section 12,
together with a written assignment of this Warrant substantially in the form of
EXHIBIT B hereto duly executed by Holder or its agent or attorney. Upon such
surrender, the Company shall, subject to Section 9, execute and deliver a new
Warrant or Warrants in the name of the assignee or assignees and in the
denomination specified in such instrument of assignment, and shall issue to the
assignor a new Warrant evidencing the portion of this Warrant not so assigned,
and this Warrant shall promptly be cancelled. A Warrant, if properly assigned in
compliance with Section 9, may be exercised by a new Holder for the purchase of
shares of Common Stock without having a new Warrant issued.

     3.2. DIVISION AND COMBINATION. Subject to Section 9, this Warrant may be
divided or combined with other Warrants upon presentation hereof at the
aforesaid office or agency of the Company, together with a written notice
specifying the names and denominations in which new Warrants are to be issued,
signed by Holder or its agent or attorney. Subject to compliance with Section
3.1 and with Section 9, as to any transfer which may be involved in such
division or combination, the Company shall execute and deliver a new Warrant or
Warrants in exchange for the Warrant or Warrants to be divided or combined in
accordance with such notice.

     3.3. EXPENSES. The Company shall prepare, issue and deliver at its own
expense the new Warrant or Warrants under this Section 3.

     3.4. MAINTENANCE OF BOOKS. The Company agrees to maintain, at its aforesaid
office or agency, books for the registration and the registration of transfer of
the Warrants.

4. ADJUSTMENTS

     The number of shares of Common Stock for which this Warrant is exercisable,
or the price at which such shares may be purchased upon exercise of this
Warrant, shall be subject to adjustment from time to time as set forth in this
Section 4. The Company shall give Holder


                                       6
<PAGE>

notice of any event described below which requires an adjustment pursuant to
this Section 4 at the time of such event.

     4.1. STOCK DIVIDENDS, SUBDIVISIONS AND COMBINATIONS. If at any time the
Company shall:

               (a) take a record of the holders of its Common Stock for the
purpose of entitling them to receive a dividend payable in, or other
distribution of, Additional Shares of Common Stock,

               (b) subdivide its outstanding shares of Common Stock into a
larger number of shares of Common Stock, or

               (c) combine its outstanding shares of Common Stock into a smaller
number of shares of Common Stock,

then (i) the number of shares of Common Stock for which this Warrant is
exercisable immediately after the occurrence of any such event shall be adjusted
to equal the number of shares of Common Stock which a record holder of the same
number of shares of Common Stock for which this Warrant is exercisable
immediately prior to the occurrence of such event would own or be entitled to
receive after the happening of such event, and (ii) the Current Warrant Price
shall be adjusted to equal (A) the Current Warrant Price multiplied by the
number of shares of Common Stock for which this Warrant is exercisable
immediately prior to the adjustment divided by (B) the number of shares for
which this Warrant is exercisable immediately after such adjustment.

     4.2. CERTAIN OTHER DISTRIBUTIONS.

               (a) If at any time prior to the Expiration Date the Company shall
take a record of the holders of its Common Stock for the purpose of entitling
them to receive any dividend or other distribution of:

                         (i)  cash,

                         (ii) any evidences of its indebtedness, any shares of
                    its stock or any other securities or property of any nature
                    whatsoever (other than cash, Convertible Securities or
                    Additional Shares of Common Stock), or

                         (iii) any warrants or other rights to subscribe for or
                    purchase any evidences of its indebtedness, any shares of
                    its stock or any other securities or property of any nature
                    whatsoever (other than cash, Convertible Securities or
                    Additional Shares of Common Stock),

then Holder shall be entitled to receive such dividend or distribution as if
Holder had exercised the Warrant. A reclassification of the Common Stock (other
than a change in par value, or from par value to no par value or from no par
value to par value) into shares of Common Stock and shares of any other class of
stock shall be deemed a distribution by the Company to the holders


                                       7
<PAGE>

of its Common Stock of such shares of such other class of stock within the
meaning of this Section 4.2 and, if the outstanding shares of Common Stock shall
be changed into a larger or smaller number of shares of Common Stock as a part
of such reclassification, such change shall be deemed a subdivision or
combination, as the case may be, of the outstanding shares of Common Stock
within the meaning of Section 4.1.

               (b) In case the Company shall issue any Common Stock, or any
rights, options or warrants to all holders of record of its Common Stock
entitling all holders to subscribe for or purchase shares of Common Stock at a
price per share less than the Market Price per share of the Common Stock on the
date fixed for such issue, the Current Warrant Price in effect immediately prior
to the close of business on the date fixed for such determination shall be
reduced to the amount determined by multiplying such Current Warrant Price by a
fraction, the numerator of which shall be the number of shares of Common Stock
outstanding immediately prior to the close of business on the date fixed for
such determination plus the number of shares of Common Stock which the aggregate
of the offering price of the total number of shares of Common Stock so offered
for subscription or purchase would purchase at such Market Price and the
denominator of which shall be the number of shares of Common Stock outstanding
immediately prior to the close of business on the date fixed for such
determination plus the number of shares of Common Stock so offered for
subscription or purchase, such reduced amount to become effective immediately
after the close of business on the date fixed for such determination. For the
purposes of this clause (b), (i) the number of shares of Common Stock at any
time outstanding shall not include shares held in the treasury of the Company,
(ii) in the case of any rights, options or warrants which expire by their terms
not more than 60 days after the date of issue, sale, grant or assumption
thereof, no adjustment of the Current Warrant Price shall be made until the
expiration or exercise of all rights, options or warrants, whereupon such
adjustment shall be made in the manner provided in this clause (b), but only
with respect to the shares of Common Stock actually issued pursuant thereto and
(iii) the adjustments described in this Section 4.2(b) shall not apply to (x)
the issuance of options or Common Stock pursuant to a stock option or other
compensation plan adopted by the Board of Directors of the Company or (y) the
issuance of Common Stock pursuant to an acquisition of another company or entity
by the Company by merger, consolidation, stock acquisition or purchase of all or
substantially all the assets of such other company. Such adjustment shall be
made successively whenever any event specified above shall occur. In the event
that any or all rights, options or warrants covered by this clause (b) are not
so issued or expire or terminate before being exercised, the Current Warrant
Price then in effect shall be appropriately readjusted.

     4.3. OTHER PROVISIONS APPLICABLE TO ADJUSTMENTS UNDER THIS SECTION. The
following provisions shall be applicable to the making of adjustments of the
number of shares of Common Stock for which this Warrant is exercisable and the
Current Warrant Price provided for in this Section 4:

               (f) WHEN ADJUSTMENTS TO BE MADE. The adjustments required by this
Section 4 shall be made whenever and as often as any specified event requiring
an adjustment shall occur. For the purpose of any, any specified event shall be
deemed to have occurred at the close of business on the date of its occurrence.


                                       8
<PAGE>

               (g) FRACTIONAL INTERESTS. In computing adjustments under this
Section 4, fractional interests in Common Stock shall be taken into account to
the nearest 1/10th of a share.

               (h) WHEN ADJUSTMENT NOT REQUIRED. If the Company shall take a
record of the holders of its Common Stock for the purpose of entitling them to
receive a dividend or distribution or subscription or purchase rights and shall,
thereafter and before the distribution to stockholders thereof, legally abandon
its plan to pay or deliver such dividend, distribution, subscription or purchase
rights, then thereafter no adjustment shall be required by reason of the taking
of such record and any such adjustment previously made in respect thereof shall
be rescinded and annulled.

               (i) CHALLENGE TO GOOD FAITH DETERMINATION. Whenever the Board of
Directors of the Company shall be required to make a determination in good faith
of the fair value of any item under this Section 4, such determination may be
challenged in good faith by the Holder, and any dispute shall be resolved by an
investment banking firm of recognized national standing selected by the Holder
and reasonably acceptable to the Company.

     4.4. REORGANIZATION, RECLASSIFICATION, MERGER, CONSOLIDATION OR DISPOSITION
OF ASSETS. In case the Company shall reorganize its capital, reclassify its
capital stock, consolidate or merge with or into another corporation (where the
Company is not the surviving corporation or where there is a change in or
distribution with respect to the Common Stock of the Company), or sell, transfer
or otherwise dispose of all or substantially all its property, assets or
business to another corporation and, pursuant to the terms of such
reorganization, reclassification, merger, consolidation or disposition of
assets, shares of common stock of the successor or acquiring corporation, or any
cash, shares of stock or other securities or property of any nature whatsoever
(including warrants or other subscription or purchase rights) in addition to or
in lieu of common stock of the successor or acquiring corporation ("Other
Property"), are to be received by or distributed to the holders of Common Stock
of the Company, then Holder shall have the right thereafter to receive, upon
exercise of the Warrant, the number of shares of common stock of the successor
or acquiring corporation or of the Company, if it is the surviving corporation,
and Other Property receivable upon or as a result of such reorganization,
reclassification, merger, consolidation or disposition of assets by a holder of
the number of shares of Common Stock for which this Warrant is exercisable
immediately prior to such event. In case of any such reorganization,
reclassification, merger, consolidation or disposition of assets, the successor
or acquiring corporation (if other than the Company) shall expressly assume the
due and punctual observance and performance of each and every covenant and
condition of this Warrant to be performed and observed by the Company and all
the obligations and liabilities hereunder, subject to such modifications as may
be deemed appropriate, subject to the Holder's consent, in order to provide for
adjustments of shares of Common Stock for which this Warrant is exercisable
which shall be as nearly equivalent as practicable to the adjustments provided
for in this Section 4. For purposes of this Section 4.4, "common stock of the
successor or acquiring corporation" shall include stock of such corporation of
any class which is not preferred as to dividends or assets over any other class
of stock of such corporation and which is not subject to redemption and shall
also include any evidences of indebtedness, shares of stock or other securities
which are convertible into or exchangeable for any such stock, either
immediately or upon the arrival of a specified date or the happening of a
specified event and any warrants or other rights to subscribe


                                       9
<PAGE>

for or purchase any such stock. The foregoing provisions of this Section 4.4
shall similarly apply to successive reorganizations, reclassifications, mergers,
consolidations or disposition of assets.

     4.5. OTHER ACTION AFFECTING COMMON STOCK. In case at any time or from time
to time the Company shall take any action in respect of its Common Stock, other
than any action taken in the ordinary course of the Company's business or any
action described in this Section 4, which would have a material adverse effect
upon the rights of the Holder, the number of shares of Common Stock and/or the
purchase price thereof shall be adjusted in such manner as may be equitable in
the circumstances, as determined in good faith by an investment bank selected by
Holder.

     4.6. CERTAIN LIMITATIONS. Notwithstanding anything herein to the contrary,
the Company agrees not to enter into any transaction which, by reason of any
adjustment hereunder, would cause the Current Warrant Price to be less than the
par value per share of Common Stock.

     4.7. NO VOTING RIGHTS. This Warrant shall not entitle its Holder to any
voting rights or other rights as a shareholder of the Company.

5. NOTICES TO HOLDER

     5.1. NOTICE OF ADJUSTMENTS. Whenever the number of shares of Common Stock
for which this Warrant is exercisable, or whenever the price at which a share of
such Common Stock may be purchased upon exercise of the Warrants, shall be
adjusted pursuant to Section 4, the Company shall forthwith prepare a
certificate to be executed by an executive officer of the Company setting forth,
in reasonable detail, the event requiring the adjustment and the method by which
such adjustment was calculated, specifying the number of shares of Common Stock
for which this Warrant is exercisable and (if such adjustment was made pursuant
to Section 4.4 or 4.5) describing the number and kind of any other shares of
stock or Other Property for which this Warrant is exercisable, and any change in
the purchase price or prices thereof, after giving effect to such adjustment or
change. The Company shall promptly cause a signed copy of such certificate to be
delivered to the Holder in accordance with Section 14.2. The Company shall keep
at its office or agency designated pursuant to Section 12 copies of all such
certificates and cause the same to be available for inspection at said office
during normal business hours by the Holder, its representatives, or any
prospective purchaser of a Warrant designated by the Holder.

     5.2. NOTICE OF CORPORATE ACTION. If at any time

               (a) the Company shall take a record of the holders of its Common
Stock for the purpose of entitling them to receive a dividend or other
distribution, or any right to subscribe for or purchase any evidences of its
indebtedness, any shares of stock of any class or any other securities or
property, or to receive any other right, or

               (b) there shall be any capital reorganization of the Company, any
reclassification or recapitalization of the capital stock of the Company or any
consolidation or merger of the Company with, or any sale, transfer or other
disposition of all or substantially all the property, assets or business of the
Company to, another corporation, or


                                       10
<PAGE>

               (c) there shall be a voluntary or involuntary dissolution,
liquidation or winding up of the Company;

then, in any one or more of such cases, the Company shall give to Holder (i) at
least thirty (30) Business Days' prior written notice of the date on which a
record date shall be selected for such dividend, distribution or right or for
determining rights to vote in respect of any such reorganization,
reclassification, merger, consolidation, sale, transfer, disposition,
dissolution, liquidation or winding up, and (ii) in the case of any such
reorganization, reclassification, merger, consolidation, sale, transfer,
disposition, dissolution, liquidation or winding up, at least thirty (30)
Business Days' prior written notice of the date when the same shall take place.
Such notice in accordance with the foregoing clause also shall specify (i) the
date on which any such record is to be taken for the purpose of such dividend,
distribution or right, the date on which the holders of Common Stock shall be
entitled to any such dividend, distribution or right, and the amount and
character thereof, and (ii) the date on which any such reorganization,
reclassification, merger, consolidation, sale, transfer, disposition,
dissolution, liquidation or winding up is to take place and the time, if any
such time is to be fixed, as of which the holders of Common Stock shall be
entitled to exchange their shares of Common Stock for securities or other
property deliverable upon such reorganization, reclassification, merger,
consolidation, sale, transfer, disposition, dissolution, liquidation or winding
up. Each such written notice shall be sufficiently given if addressed to Holder
at the last address of Holder appearing on the books of the Company and
delivered in accordance with Section 14.2.

6. NO IMPAIRMENT

     The Company shall not by any action, including, without limitation,
amending its certificate of incorporation or through any reorganization,
transfer of assets, consolidation, merger, dissolution, issue or sale of
securities or any other voluntary action, avoid or seek to avoid the observance
or performance of any of the terms of this Warrant, but will at all times in
good faith assist in the carrying out of all such terms and in the taking of all
such actions as may be necessary or appropriate to protect the rights of Holder
against impairment. Without limiting the generality of the foregoing, the
Company will (a) not increase the par value of any shares of Common Stock
receivable upon the exercise of this Warrant above the amount payable therefor
upon such exercise immediately prior to such increase in par value, (b) take all
such action as may be necessary or appropriate in order that the Company may
validly and legally issue fully paid and nonassessable shares of Common Stock
upon the exercise of this Warrant, and (c) use its commercially reasonable
efforts to obtain all such authorizations, exemptions or consents from any
public regulatory body having jurisdiction thereof as may be necessary to enable
the Company to perform its obligations under this Warrant.

     Upon the request of Holder, the Company will at any time during the period
this Warrant is outstanding acknowledge in writing, in form reasonably
satisfactory to Holder, the continuing validity of this Warrant and the
obligations of the Company hereunder.


                                       11
<PAGE>

7. RESERVATION AND AUTHORIZATION OF COMMON STOCK

     From and after the Closing Date, the Company shall at all times reserve and
keep available for issue upon the exercise of Warrants such number of its
authorized but unissued shares of Common Stock as will be sufficient to permit
the exercise in full of all outstanding Warrants. All shares of Common Stock
which shall be so issuable, when issued upon exercise of any Warrant and payment
therefor in accordance with the terms of such Warrant, shall be duly and validly
issued and fully paid and nonassessable, and not subject to preemptive rights.

     Before taking any action which would cause an adjustment reducing the
Current Warrant Price below the then par value, if any, of the shares of Common
Stock issuable upon exercise of the Warrants, the Company shall take any
corporate action which may be necessary in order that the Company may validly
and legally issue fully paid and non-assessable shares of such Common Stock at
such adjusted Current Warrant Price.

     Before taking any action which would result in an adjustment in the number
of shares of Common Stock for which this Warrant is exercisable or in the
Current Warrant Price, the Company shall obtain all such authorizations or
exemptions thereof, or consents thereto, as may be necessary from any public
regulatory body or bodies having jurisdiction thereof.

8. TAKING OF RECORD; STOCK AND WARRANT TRANSFER BOOKS

     In the case of all dividends or other distributions by the Company to the
holders of its Common Stock with respect to which any provision of Section 4
refers to the taking of a record of such holders, the Company will in each such
case take such a record as of the close of business on a Business Day. The
Company will not at any time close its stock transfer books or Warrant transfer
books so as to result in preventing or delaying the exercise or transfer of any
Warrant.

9.   RESTRICTIONS ON TRANSFERABILITY

     The Warrants and the Warrant Stock shall not be transferred, hypothecated
or assigned before satisfaction of the conditions specified in this Section 9,
which conditions are intended to ensure compliance with the provisions of the
Securities Act with respect to the Transfer of any Warrant or any Warrant Stock.
Holder, by acceptance of this Warrant, agrees to be bound by the provisions of
this Section 9.

     9.1. RESTRICTIVE LEGEND. The Holder by accepting this Warrant and any
Warrant Stock agrees that this Warrant and the Warrant Stock issuable upon
exercise hereof may not be assigned or otherwise transferred unless and until
(i) the Company has received an opinion of counsel for the Holder that such
securities may be sold pursuant to an exemption from registration under the
Securities Act, or (ii) a registration statement relating to such securities has
been filed by the Company and declared effective by the Commission.


                                       12
<PAGE>

     (a) Each certificate for Warrant Stock issuable hereunder shall bear a
legend substantially worded as follows unless such securities have been sold
pursuant to an effective registration statement under the Securities Act:

               "The securities represented by this certificate have not been
          registered under the Securities Act of 1933, as amended (the "Act") or
          any state securities laws. The securities may not be offered for sale,
          sold, assigned, offered, transferred or otherwise distributed for
          value except (i) pursuant to an effective registration statement under
          the Act or any state securities laws or (ii) pursuant to an exemption
          from registration or prospectus delivery requirements under the Act or
          any state securities laws in respect of which the Company has received
          an opinion of counsel satisfactory to the Company to such effect.
          Copies of the agreement covering both the purchase of the securities
          and restricting their transfer may be obtained at no cost by written
          request made by the holder of record of this certificate to the
          Secretary of the Company at the principal executive offices of the
          Company."

               (b) Except as otherwise provided in this Section 9, the Warrant
shall be stamped or otherwise imprinted with a legend in substantially the
following form:

               "This Warrant and the securities represented hereby have not been
          registered under the Securities Act of 1933, as amended, or any state
          securities laws and may not be transferred in violation of such Act,
          the rules and regulations thereunder or any state securities laws or
          the provisions of this Warrant."

     9.2. NOTICE OF PROPOSED TRANSFERS. Prior to any Transfer or attempted
Transfer of any Warrants or any shares of Restricted Common Stock, the Holder
shall give five (5) days' prior written notice (a "Transfer Notice") to the
Company of Holder's intention to effect such Transfer, describing the manner and
circumstances of the proposed Transfer, and obtain from counsel to Holder an
opinion that the proposed Transfer of such Warrants or such Restricted Common
Stock may be effected without registration under the Securities Act or state
securities laws. After the Company's receipt of the Transfer Notice and opinion,
such Holder shall thereupon be entitled to Transfer such Warrants or such
Restricted Common Stock, in accordance with the terms of the Transfer Notice.
Each certificate, if any, evidencing such shares of Restricted Common Stock
issued upon such Transfer and the Warrant issued upon such Transfer shall bear
the restrictive legends set forth in Section 9.1, unless in the opinion of such
counsel such legend is not required in order to ensure compliance with the
Securities Act.

     9.3. REQUIRED REGISTRATION. Pursuant to the terms and conditions set forth
in the Registration Rights Agreement, the Company shall prepare and file with
the Commission not later than the thirtieth (30th) day after the Closing Date, a
Registration Statement relating to the


                                       13
<PAGE>

offer and sale of the Common Stock issuable upon exercise of the Warrants and
shall use its commercially reasonable efforts to cause the Commission to declare
such Registration Statement effective in accordance with the terms set forth in
Section 2(a) of the Registration Rights Agreement.

     9.4. TERMINATION OF RESTRICTIONS. Notwithstanding the foregoing provisions
of Section 9, the restrictions imposed by this Section upon the transferability
of the Warrants, the Warrant Stock and the Restricted Common Stock (or Common
Stock issuable upon the exercise of the Warrants) and the legend requirements of
Section 9.1 shall terminate as to any particular Warrant or share of Warrant
Stock or Restricted Common Stock (or Common Stock issuable upon the exercise of
the Warrants) (i) when and so long as such security shall have been effectively
registered under the Securities Act and applicable state securities laws and
disposed of pursuant thereto, or (ii) when the Company shall have received an
opinion of counsel that such shares may be transferred without registration
thereof under the Securities Act and applicable state securities laws. Whenever
the restrictions imposed by Section 9 shall terminate as to this Warrant, as
hereinabove provided, the Holder hereof shall be entitled to receive from the
Company upon written request of the Holder, at the expense of the Company, a new
Warrant bearing the following legend in place of the restrictive legend set
forth hereon:

                         "THE RESTRICTIONS ON TRANSFERABILITY OF THE WITHIN
                    WARRANT CONTAINED IN SECTION 9 HEREOF TERMINATED ON APRIL
                    17, 2002, AND ARE OF NO FURTHER FORCE AND EFFECT."

All Warrants issued upon registration of transfer, division or combination of,
or in substitution for, any Warrant or Warrants entitled to bear such legend
shall have a similar legend endorsed thereon. Whenever the restrictions imposed
by this Section shall terminate as to any share of Restricted Common Stock, as
hereinabove provided, the holder thereof shall be entitled to receive from the
Company, at the Company's expense, a new certificate representing such Common
Stock not bearing the restrictive legends set forth in Section 9.1.

     9.5. LISTING ON SECURITIES EXCHANGE. If the Company shall list any shares
of Common Stock on any securities exchange, it will, at its expense, list
thereon, maintain and, when necessary, increase such listing of, all shares
of Common Stock issued or, to the extent permissible under the applicable
securities exchange rules, issuable upon the exercise of this Warrant so long
as any shares of Common Stock shall be so listed during the Exercise Period.

10. SUPPLYING INFORMATION

     The Company shall cooperate with Holder in supplying such information as
may be reasonably necessary for Holder to complete and file any information
reporting forms presently or hereafter required by the Commission as a condition
to the availability of an exemption from the Securities Act for the sale of any
Warrant or Restricted Common Stock.


                                       14
<PAGE>

11. LOSS OR MUTILATION

     Upon receipt by the Company from Holder of evidence reasonably satisfactory
to it of the ownership of and the loss, theft, destruction or mutilation of this
Warrant and indemnity reasonably satisfactory to it (it being understood that
the written agreement of the Holder shall be sufficient indemnity), and in case
of mutilation upon surrender and cancellation hereof, the Company will execute
and deliver in lieu hereof a new Warrant of like tenor to Holder; PROVIDED, in
the case of mutilation, no indemnity shall be required if this Warrant in
identifiable form is surrendered to the Company for cancellation.

12. OFFICE OF THE COMPANY

     As long as any of the Warrants remain outstanding, the Company shall
maintain an office or agency (which may be the principal executive offices of
the Company) where the Warrants may be presented for exercise, registration of
transfer, division or combination as provided in this Warrant, such office to be
initially located at One Jericho Plaza, Jericho, New York 11753, fax: (516)
938-3995, provided, however, that the Company shall provide prior written notice
to Holder of a change in address no less than thirty (30) days prior to such
change.

13. LIMITATION OF LIABILITY

     No provision hereof, in the absence of affirmative action by Holder to
purchase shares of Common Stock, and no enumeration herein of the rights or
privileges of Holder hereof, shall give rise to any liability of Holder for the
purchase price of any Common Stock or as a stockholder of the Company, whether
such liability is asserted by the Company or by creditors of the Company.

14.  MISCELLANEOUS

     14.1. NONWAIVER AND EXPENSES. No course of dealing or any delay or failure
to exercise any right hereunder on the part of Holder shall operate as a waiver
of such right or otherwise prejudice Holder's rights, powers or remedies,
notwithstanding all rights hereunder terminate on the Expiration Date. If the
Company fails to make, when due, any payments provided for hereunder, or fails
to comply with any other provision of this Warrant, the Company shall pay to
Holder such amounts as shall be sufficient to cover any direct losses, damages,
costs and expenses including, but not limited to, reasonable attorneys' fees,
including those of appellate proceedings, incurred by Holder in collecting any
amounts due pursuant hereto or in otherwise enforcing any of its rights, powers
or remedies hereunder.

     14.2. NOTICE GENERALLY. Except as may be otherwise provided herein, any
notice or other communication or delivery required or permitted hereunder shall
be in writing and shall be delivered personally or sent by certified mail,
postage prepaid, or by a nationally recognized overnight courier service, and
shall be deemed given when so delivered personally or by overnight courier
service, or, if mailed, three (3) days after the date of deposit in the United
States mails, as follows:


                                       15
<PAGE>

(a)      if to the Company, to:             5B Technologies Corporation
                                            One Jericho Plaza
                                            Jericho, New York 11753
                                            Attention:  Glenn Nortman
                                            Tel:  (516) 938-3400
                                            Fax: (516) 938-3995

         with a copy to:                    Piper Marbury Rudnick & Wolfe LLP
                                            1251 Avenue of the Americas
                                            New York, New York 10020
                                            Attention:  Danal F. Abrams, Esq.
                                            Tel:  (212) 835-6000
                                            Fax:  (212) 835-6001


(b)      if to the Purchaser to:            La Vista Investors LLC
                                            WEC Asset Management LLC
                                            110 Colabaugh Pond Road
                                            Croton-on-Hudson, New York 10520
                                            New York, New York  10048
                                            Attention:  Daniel J. Saks
                                            Tel:  (914) 271-2211
                                            Fax: (914) 817-0889

         with a copy to:                    Pryor Cashman Sherman & Flynn LLP
                                            410 Park Avenue
                                            New York, New York  10022
                                            Attention:  Mark Saks, Esq.
                                            Tel:  (212) 326-0140
                                            Fax:  (212) 326-0806

     The Company or the Holder may change the foregoing address by notice given
pursuant to this Section 14.2.

               14.3. INDEMNIFICATION. The Company agrees to indemnify and hold
harmless Holder from and against any liabilities, obligations, losses, damages,
penalties, actions, judgments, suits, claims, costs, attorneys' fees, expenses
and disbursements of any kind which may be imposed upon, incurred by or asserted
against Holder in any manner relating to or arising out of any failure by the
Company to perform or observe in any respect any of its covenants, agreements,
undertakings or obligations set forth in this Warrant.

               14.4. REMEDIES. Holder in addition to being entitled to exercise
all rights granted by law, including recovery of damages, will be entitled to
specific performance of its rights under this Warrant. The Company agrees that
monetary damages would not be adequate compensation for any loss incurred by
reason of a breach by it of the provisions of this Warrant and hereby agrees to
waive the defense in any action for specific performance that a remedy at law
would be adequate.


                                       16
<PAGE>

               14.5. SUCCESSORS AND ASSIGNS. Subject to the provisions of
Sections 3.1 and 9, this Warrant and the rights evidenced hereby shall inure to
the benefit of and be binding upon the successors of the Company and the
successors and assigns of Holder. The provisions of this Warrant are intended to
be for the benefit of all Holders from time to time of this Warrant and, with
respect to Section 9 hereof, holders of Warrant Stock, and shall be enforceable
by any such Holder or holder of Warrant Stock.

               14.6. AMENDMENT. This Warrant and all other Warrants may be
modified or amended or the provisions hereof waived only with the prior written
consent of the Company and the Holder.

               14.7. SEVERABILITY. Wherever possible, each provision of this
Warrant shall be interpreted in such manner as to be effective and valid under
applicable law, but if any provision of this Warrant shall be prohibited by or
invalid under applicable law, such provision shall be ineffective to the extent
of such prohibition or invalidity, without invalidating the remainder of such
provision or the remaining provisions of this Warrant.

               14.8. HEADINGS. The headings used in this Warrant are for the
convenience of reference only and shall not, for any purpose, be deemed a part
of this Warrant.

               14.9. GOVERNING LAW. This Warrant shall be governed by the laws
of the State of New York, without regard to the provisions thereof relating to
conflict of laws. The Company consents to the jurisdiction of the federal courts
whose districts encompass any part of the City of New York or the state courts
of the State of New York sitting in the City of New York in connection with any
dispute arising under this Warrant or any of the transactions contemplated
hereby, and hereby waives, to the maximum extent permitted by law, any
objection, including any objections based on FORUM NON CONVENIENS, to the
bringing of any such proceeding in such jurisdictions.

         [REMAINDER OF PAGE INTENTIONALLY BLANK, SIGNATURE PAGE FOLLOWS]


                                       17
<PAGE>

     IN WITNESS WHEREOF, the Company has caused this Warrant to be duly executed
and its corporate seal to be impressed hereon and attested by its Secretary or
an Assistant Secretary.


Dated:  April 17, 2000

                                        5B TECHNOLOGIES CORPORATION

                                        By: /s/ Glenn Nortman
                                           ------------------------------
                                           Name:  Glenn Nortman
                                           Title: Chief Executive Officer

Attest:

By: /s/ Anthony Fernandez
   ---------------------------
   Name:
   Title:


<PAGE>

                                    EXHIBIT A

                                SUBSCRIPTION FORM

                 [To be executed only upon exercise of Warrant]

The undersigned registered owner of this Warrant irrevocably exercises this
Warrant for the purchase of ______ Shares of Common Stock of 5B Technologies
Corporation, and herewith makes payment therefor in cash or by check or bank
draft made payable to the Company, all at the price and on the terms and
conditions specified in this Warrant and requests that certificates for the
shares of Common Stock hereby purchased (and any securities or other property
issuable upon such exercise) be issued in the name of and delivered to
_____________ whose address is _________________ and, if such shares of Common
Stock shall not include all of the shares of Common Stock issuable as provided
in this Warrant, that a new Warrant of like tenor and date for the balance of
the shares of Common Stock issuable hereunder be delivered to the undersigned.

                                   -------------------------------
                                   (Name of Registered Owner)

                                   -------------------------------
                                   (Signature of Registered Owner)

                                   -------------------------------
                                   (Street Address)

                                   -------------------------------
                                   (City)     (State)         (Zip Code)

     NOTICE: The signature on this subscription must correspond with the name as
written upon the face of the within Warrant in every particular, without
alteration or enlargement or any change whatsoever.


<PAGE>

                                    EXHIBIT B

                                 ASSIGNMENT FORM

     FOR VALUE RECEIVED the undersigned registered owner of this Warrant hereby
sells, assigns and transfers unto the Assignee named below all of the rights of
the undersigned under this Warrant, with respect to the number of shares of
Common Stock set forth below:

     NAME AND ADDRESS OF ASSIGNEE                 NO. OF SHARES OF
                                                  COMMON STOCK



and does hereby irrevocably constitute and appoint _______ ________________
attorney-in-fact to register such transfer on the books of 5B Technologies
Corporation, maintained for the purpose, with full power of substitution in the
premises.

     Dated:                               Print Name:
           ---------------------                     --------------------------

                                          Signature:
                                                    ---------------------------

                                          Witness:
                                                  ------------------------------

     NOTICE: The signature on this assignment must correspond with the name as
written upon the face of the within Warrant in every particular, without
alteration or enlargement or any change whatsoever.