system: You are a contract-analysis assistant performing a span-extraction task. You are given an excerpt from a commercial contract and the name of a clause type to locate within it.

Return the exact text of the requested clause, copied verbatim from the excerpt — identical wording and punctuation, with no paraphrasing, summarising, explanation, or added commentary.

The excerpt is one window of a much longer contract and often will not contain the requested clause. If the requested clause does not appear in this excerpt, respond with exactly: Not found.

Output only the extracted clause text, or the exact string `Not found.` — nothing else.

user: Contract excerpt:
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Exhibit 99(k)(5) FORM OF BLOCKCHAIN ADMINISTRATION AND DEVELOPMENT AGREEMENT BETWEEN ARCA U.S. TREASURY FUND AND ARCA CAPITAL MANAGEMENT, LLC This Agreement ("Agreement") is made as of [___], 2020 by and between ARCA U.S. TREASURY FUND, a Delaware statutory trust (the "Fund"), and ARCA CAPITAL MANAGEMENT, LLC, a Delaware limited liability company (the "Blockchain Administrator"). WHEREAS, the Fund is a closed-end management investment fund that has registered as an investment company under the Investment Company Act of 1940, as amended (the "Investment Company Act") and that intends to operate as an interval fund pursuant to Rule 23c-3 under the Investment Company Act; WHEREAS, the Fund desires to retain the Blockchain Administrator to provide services related to the development of ERC-1404 compatible digital securities and administration of the smart contracts underlying the Fund's digital securities in the manner and on the terms set forth herein; WHEREAS, the Blockchain Administrator is willing to provide such services to the Fund on the terms and conditions set forth herein; WHEREAS, the Blockchain Administrator will also serve as the Fund's investment adviser (the "Adviser") pursuant to an Investment Advisory Agreement entered into by and between the Fund and the Adviser (as amended from time to time, the "Advisory Agreement"); and WHEREAS, the Fund bears all costs and expenses incurred in its operation, administration and transactions which are not specifically assumed by the Adviser pursuant to the Advisory Agreement or this Agreement. NOW, THEREFORE, in consideration of the premises and the covenants hereinafter contained and for other good and valuable consideration, the receipt and adequacy of which is hereby acknowledged, the Fund and the Blockchain Administrator hereby agree as follows: 1. Duties of the Blockchain Administrator (a) The Fund hereby employs the Blockchain Administrator to act as the blockchain administrator of the Fund, and to furnish, or arrange for others to furnish, the services, personnel and facilities described below, subject to review by and the overall control of the Fund's Board of Trustees (the "Board"), for the period and on the terms and conditions set forth in this Agreement. (b) The Blockchain Administrator hereby accepts such employment and agrees during such period to render, or arrange for the rendering of, such services and to assume the obligations herein set forth subject to the reimbursement of costs and expenses provided for below. (c) The Blockchain Administrator shall perform (or oversee, or arrange for, the performance of) development and administrative services necessary for the issuance of the Fund's shares as ERC-1404 compatible digital securities ("Shares") and the on-going maintenance and administration of the smart contracts underlying such Shares. Without limiting the generality of the foregoing, the Blockchain Administrator shall provide the Fund with facilities, equipment, technology, coding and such other services as the Blockchain Administrator, subject to review by the Board, shall from time to time determine to be necessary or useful to perform its obligations under this Agreement. 1 Source: ARCA U.S. TREASURY FUND, N-2, 2/7/2020 (d) The Blockchain Administrator shall also, on behalf of the Fund, conduct relations with custodians, depositories, transfer agents, dividend disbursing agents, other stockholder servicing agents, accountants, attorneys, underwriters, brokers and dealers, corporate fiduciaries, insurers, banks and such other persons as the Blockchain Administrator shall deem to be necessary or desirable in connection with the issuance and transfer of the Fund's ERC-1404 compatible digital security,. (e) The Blockchain Administrator shall make reports to the Board of its performance of obligations hereunder and furnish advice and recommendations with respect to such other aspects of the business and affairs of the Fund as it shall determine to be desirable; provided that nothing herein shall be construed to require the Blockchain Administrator to, and the Blockchain Administrator shall not, in its capacity as Blockchain Administrator pursuant to this Agreement, provide any advice or recommendation relating to the securities and other assets that the Fund should purchase, retain or sell or any other investment advisory services to the Fund. (f) The Blockchain Administrator shall for all purposes herein be deemed to be an independent contractor and shall, unless otherwise expressly provided or authorized herein, have no authority to act for or represent the Fund in any way or otherwise be deemed an agent of the Fund. (g) The Blockchain Administrator is hereby authorized to enter into agreements with other service providers pursuant to which the Blockchain Administrator may obtain the services of the service providers in fulfilling its responsibilities hereunder. The Blockchain Administrator shall ensure that any such service provider shall operate in conformity with the requirements
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Extract the exact clause related to "Parties" from the excerpt above.

assistant: ARCA U.S. TREASURY FUND,