Document:

Document

Certain identified information has been excluded from the exhibit because it is both (i) not material and (ii) is the type of information that the registrant treats as private or confidential.  Double asterisks denote omissions.

Exhibit 10.1

AMENDMENT #1 TO SUPPLY AGREEMENT

This Amendment #1 (the “Amendment”) to the Supply Agreement (the “Agreement”) by and between Akebia Therapeutics, Inc. (“Akebia”) and STA Pharmaceutical Hong Kong Limited (“STA”) is effective as of April 15, 2021 (the “Amendment Effective Date”). Akebia and STA are each referenced individually herein as a "Party" and together as the “Parties”.

WHEREAS, STA and Akebia entered into a Supply Agreement dated April 2, 2020, as amended (“Agreement”) under which STA manufactures Product for purchase by Akebia; and

WHEREAS, the Parties desire to amend the Agreement as set forth in this Amendment;   

NOW, THEREFORE the Parties agree as follows:

1.Section 1.3 (Definition of Akebia Improvements) of the Agreement is hereby deleted in its entirety and replaced with the following:

“Akebia Improvements” means any Intellectual Property and discoveries, inventions, developments, modifications, innovations, updates, enhancements, improvements, writings or rights (whether or not protectable under patent, trademark, copyright or similar laws) that are conceived, discovered, invented, developed, created, made or reduced to practice during the provision of the Services by Akebia, STA, or both Parties jointly, but solely to the extent specific to any (i) Akebia Materials, (ii) the Intermediate Compounds, (iii) the Manufacturing Process, or (iv) the Product, which in each case of (i)-(iv) is solely owned by and/or proprietary to Akebia.

2.Section 1.19 (Definition of Intermediate Compounds) of the Agreement is hereby deleted in its entirety and replaced with the following:

“Intermediate Compounds” means [**] used in the Manufacturing Process of the Product [**]. 

3.Section 1.31 (Definition of Raw Materials) of the Agreement is hereby deleted in its entirety and replaced with the following:

4.“Raw Materials” means the chemical entities required to synthesize the Intermediate Compounds and produce the Product through performance of the Manufacturing Process [**].

5.A new Section 4.6 will be added immediately following Section 4.5 of the Agreement as following:

Section 4.6 Price Adjustments. The Product Price shall be fixed in the first [**] after the Effective Date.  Thereafter, the Parties will review the Product Price on [**] basis. During the [**] price review, STA and Akebia shall discuss in good faith an adjusted Product Price, if necessary to reflect any changes caused by unforeseen reasons such as a material change in the Producer Price Index, extraordinary changes in material costs, or currency exchange rate fluctuations. Any such decision shall be reached and agreed to in writing by the Parties by [**], and shall be effective on [**]. Notwithstanding the foregoing, if there is any proposed change to the Specifications or Manufacturing Process, prior to the implementation of any such change, the Parties shall promptly negotiate in good faith any amendments to the Product Price necessary to reflect such change. 

Page 2 of 2

Also notwithstanding the foregoing, 

(a)STA shall be entitled to request an immediate adjustment (and immediate implementation thereof) to the Product Price to reflect the impact of extraordinary increases in a single Material cost at any time if both of the following criteria are met: 

i.the unit price of such Material increases by [**] of the unit price upon which then-current Product Price quote is based; and

ii.the impact on Product Price from such Material unit price increase is greater than [**] of then-current Product Price.

(b)Akebia shall be entitled to request an immediate adjustment (and immediate implementation thereof) to the Product Price to reflect the impact of extraordinary decreases in a single Material cost at any time if both of the following criteria are met: 

i.the unit price of such Material decreases by [**] of the unit price upon which then-current Product Price quote is based; and

ii.the impact on Product Price from such Material unit price decrease is greater than [**] of then-current Product Price.

STA and Akebia shall discuss in good faith any adjusted Product Price requested under Section 4.6(a) or 4.6(b) above, and any such decision shall be reached and agreed to in writing by the Parties.

6.All capitalized terms not defined herein shall have meaning set forth in the Agreement. 

7.Except as otherwise provided herein, all provisions of the Agreement, as amended shall remain in full force and effect. 

(Signature Page to Follow)

IN WITNESS WHEREOF, the Parties have executed this Amendment to the Supply Agreement effective as of the Amendment Effective Date written above.

																		
	AKEBIA THERAPEUTICS, INC.
		STA PHARMACEUTICAL HONG KONG LIMITED

	By:	/s/ Michel Dahan		By:	/s/ Xiaoyong Fu
	Print Name:	Michel Dahan		Print Name:	Xiaoyong Fu
	Title:	SVP & Chief Business Officer		Title:	SVP, API Development & Commercialization
	Date:	April 15, 2021		Date:	April 15, 2021EX-10.5

 Exhibit 10.5 

Hash Space Acquisition Corp 

17-3-102 

Qianzhangshu, Tongzhou District 

Beijing, China 
 (中国北京市通州区千章墅17-3-102号) 
 June 4, 2021 

Fucheng Technology Group Limited 
 Room 06, 13A/F.,
South Tower 
 World Finance Centre, Harbour City 

17 Canton Road 
 TST, KLN, Hong Kong 

  RE:    Securities Subscription Agreement 

Ladies and Gentlemen: 
 Hash Space Acquisition
Corp, a Cayman Islands exempted company (the “Company”), is pleased to accept the offer Fucheng Technology Group Limited, a Hong Kong limited liability company, (the “Subscriber” or “you”) has made
to subscribe for 1,150,000 ordinary shares of the Company (the “Shares”), $0.0001 par value per share (the “Ordinary Shares”), up to 150,000 of which are subject to complete or partial forfeiture by you if the
underwriters of the Company’s initial public offering (“IPO”) of- units (“Units”) do not fully exercise their over-allotment option (the “Over-allotment
Option”). The terms (this “Agreement”) on which the Company is willing to issue the Shares to the Subscriber, and the Company and the Subscriber’s agreements regarding such Shares, are as follows: 

1. Subscription for Shares. 

For the sum of $25,000 (the “Purchase Price”), which the Company acknowledges receiving in cash, the Company hereby issues
the Shares to the Subscriber, and the Subscriber hereby subscribes for the Shares from the Company, subject to forfeiture, on the terms and subject to the conditions set forth in this Agreement. Concurrently with the Subscriber’s execution of
this Agreement, the Company shall update its Register of Members accordingly. All references in this Agreement to shares of the Company being forfeited shall take effect as surrenders for no consideration of such shares as a matter of Cayman Islands
law. The Subscriber surrenders for no consideration the one ordinary share of the Company currently held by it following the incorporation of the Company. 

2. Representations, Warranties and Agreements. 

2.1 Subscriber’s Representations, Warranties and Agreements. To induce the Company to issue the Shares to the Subscriber, the
Subscriber hereby represents and warrants to the Company and agrees with the Company as follows: 
 2.1.1 No Government Recommendation or
Approval. The Subscriber understands that no federal or state agency has passed upon or made any recommendation or endorsement of the offering of the Shares. 

 2.1.2 No Conflicts. The execution, delivery and performance of this Agreement and the
consummation by the Subscriber of the transactions contemplated hereby do not violate, conflict with or constitute a default under (i) the limited liability company agreement of the Subscriber, (ii) any agreement, indenture or instrument
to which the Subscriber is a party or (iii) any law, statute, rule or regulation to which the Subscriber is subject, or any agreement, order, judgment or decree to which the Subscriber is subject. 

2.1.3 Formation and Authority. The Subscriber is a Hong Kong limited liability company, formed and registered and validly existing and
in good standing under the laws of Hong Kong and possesses all requisite power and authority necessary to carry out the transactions contemplated by this Agreement. Upon execution and delivery by you, this Agreement is a legal, valid and binding
agreement of Subscriber, enforceable against Subscriber in accordance with its terms, except as such enforceability may be limited by applicable bankruptcy, insolvency, fraudulent conveyance or similar laws affecting the enforcement of
creditors’ rights generally and subject to general principles of equity (regardless of whether enforcement is sought in a proceeding at law or in equity). 

2.1.4 Experience, Financial Capability and Suitability. Subscriber is: (i) sophisticated in financial matters and is able to
evaluate the risks and benefits of the investment in the Shares and (ii) able to bear the economic risk of its investment in the Shares for an indefinite period of time because the Shares have not been registered under the Securities Act (as
defined below) and therefore cannot be sold unless subsequently registered under the Securities Act or an exemption from such registration is available. Subscriber is capable of evaluating the merits and risks of its investment in the Company and
has the capacity to protect its own interests. Subscriber must bear the economic risk of this investment until the Shares are sold pursuant to: (i) an effective registration statement under the Securities Act or (ii) an exemption from
registration available with respect to such sale. Subscriber is able to bear the economic risks of an investment in the Shares and to afford a complete loss of Subscriber’s investment in the Shares. 

2.1.5 Access to Information; Independent Investigation. Prior to the execution of this Agreement, the Subscriber has had the
opportunity to ask questions of and receive answers from representatives of the Company concerning an investment in the Company, as well as the finances, operations, business and prospects of the Company, and the opportunity to obtain additional
information to verify the accuracy of all information so obtained. In determining whether to make this investment, Subscriber has relied solely on Subscriber’s own knowledge and understanding of the Company and its business based upon
Subscriber’s own due diligence investigation and the information furnished pursuant to this paragraph. Subscriber understands that no person has been authorized to give any information or to make any representations which were not furnished
pursuant to this Section 2 and Subscriber has not relied on any other representations or information in making its investment decision, whether written or oral, relating to the Company, its operations and/or its prospects. 

2.1.6 Regulation D Offering. Subscriber represents that it is an “accredited investor” as such term is defined in Rule 501(a)
of Regulation D under the Securities Act of 1933, as amended (the “Securities Act”) and acknowledges the sale contemplated hereby is being made in reliance on a private placement exemption to “accredited investors” within
the meaning of Section 501(a) of Regulation D under the Securities Act or similar exemptions under state law. 

 2.1.7 Investment Purposes. The Subscriber is purchasing the Shares solely for
investment purposes, for the Subscriber’s own account and not for the account or benefit of any other person, and not with a view towards the distribution or dissemination thereof. The Subscriber did not decide to enter into this Agreement as a
result of any general solicitation or general advertising within the meaning of Rule 502 under the Securities Act. 
 2.1.8 Restrictions
on Transfer; Shell Company. Subscriber understands the Shares are being offered in a transaction not involving a public offering within the meaning of the Securities Act. Subscriber understands the Shares will be “restricted
securities” within the meaning of Rule 144(a)(3) under the Securities Act and Subscriber understands that the certificates or book-entries representing the Shares will contain a legend in respect of such restrictions. If in the future the
Subscriber decides to offer, resell, pledge or otherwise transfer the Shares, such Shares may be offered, resold, pledged or otherwise transferred only pursuant to: (i) registration under the Securities Act, or (ii) an available exemption
from registration. Subscriber agrees that if any transfer of its Shares or any interest therein is proposed to be made, as a condition precedent to any such transfer, Subscriber may be required to deliver to the Company an opinion of counsel
satisfactory to the Company. Absent registration or an exemption, the Subscriber agrees not to resell the Shares. Subscriber further acknowledges that because the Company is a shell company, Rule 144 may not be available to the Subscriber for the
resale of the Shares until one year following consummation of the initial business combination of the Company, despite technical compliance with the requirements of Rule 144 and the release or waiver of any contractual transfer restrictions. 

2.1.9 No Governmental Consents. No governmental, administrative or other third party consents or approvals are required, necessary or
appropriate on the part of Subscriber in connection with the transactions contemplated by this Agreement. 
 2.2 Company’s
Representations, Warranties and Agreements. To induce the Subscriber to purchase the Shares, the Company hereby represents and warrants to the Subscriber and agrees with the Subscriber as follows: 

2.2.1 Incorporation and Corporate Power. The Company is a Cayman Islands exempted company and is qualified to do business in every
jurisdiction in which the failure to so qualify would reasonably be expected to have a material adverse effect on the financial condition, operating results or assets of the Company. The Company possesses all requisite corporate power and authority
necessary to carry out the transactions contemplated by this Agreement. 
 2.2.2 No Conflicts. The execution, delivery and
performance of this Agreement and the consummation by the Company of the transactions contemplated hereby do not violate, conflict with or constitute a default under (i) the Memorandum and Articles of Association of the Company, (ii) any
agreement, indenture or instrument to which the Company is a party or (iii) any law, statute, rule or regulation to which the Company is subject, or any agreement, order, judgment or decree to which the Company is subject. 

2.2.3 Title to Shares. Upon issuance in accordance with, and payment pursuant to, the terms hereof and the Memorandum and Articles of
the Company, and registration on the register of members of the Company, the Shares will be duly and validly issued as fully paid and nonassessable. Upon issuance in accordance with, and payment pursuant to, the terms hereof the Subscriber will have
or receive good title to the Shares, free and clear of all liens, claims and encumbrances of any kind, other than (a) transfer restrictions hereunder and under the other agreements to which the Shares may be subject, (b) transfer
restrictions under federal and state securities laws, and (c) liens, claims or encumbrances imposed due to the actions of the Subscriber. 

 2.2.4 No Adverse Actions. There are no actions, suits, investigations or proceedings
pending, threatened against or affecting the Company which: (i) seek to restrain, enjoin, prevent the consummation of or otherwise affect the transactions contemplated by this Agreement or (ii) question the validity or legality of any
transactions or seeks to recover damages or to obtain other relief in connection with any transactions. 
 3. Forfeiture of
Shares. 
 3.1 Partial or No Exercise of the Over-allotment Option. In the event the Over-allotment Option granted to the
underwriters of the IPO is not exercised in full, the Subscriber acknowledges and agrees that it (and, if applicable, any transferee of Shares) shall forfeit any and all rights to such number of Shares (up to an aggregate of 150,000 Shares and pro
rata based upon the percentage of the Over-allotment Option exercised) such that immediately following such forfeiture, the Subscriber (and any such transferees) will own an aggregate number of Shares (not including Ordinary Shares issuable upon
exercise of any warrants or any securities purchased by Subscriber in the IPO or in the aftermarket) equal to 20% of the issued and outstanding Ordinary Shares immediately following the IPO. 

3.2 Termination of Rights as Shareholder. If any of the Shares are forfeited in accordance with this Section 3, then after such
time the Subscriber (or successor in interest), shall no longer have any rights as a holder of such forfeited Shares, and the Company shall take such action as is appropriate to cancel such forfeited Shares. 

4. Waiver of Liquidation Distributions; Redemption Rights. 

In connection with the Shares purchased pursuant to this Agreement, the Subscriber hereby waives any and all right, title, interest or claim
of any kind in or to any distributions by the Company from the trust account which will be established for the benefit of the Company’s public shareholders and into which substantially all of the proceeds of the IPO will be deposited (the
“Trust Account”), in the event of a liquidation of the Company upon the Company’s failure to timely complete an initial business combination. For purposes of clarity, in the event the Subscriber purchases securities in the IPO
or in the aftermarket, any Ordinary Shares so purchased shall be eligible to receive any liquidating distributions by the Company. However, in no event will the Subscriber have the right to redeem any Ordinary Shares held by it into funds held in
the Trust Account upon the successful completion of an initial business combination. 
 5. Restrictions on Transfer. 

5.1 Securities Law Restrictions. In addition to any restrictions to be contained in that certain letter agreement (commonly known as an
“Insider Letter”) dated on or prior to the closing of the IPO by and between Subscriber and the Company, Subscriber agrees not to sell, transfer, pledge, hypothecate or otherwise dispose of all or any part of the Shares unless,
prior thereto (a) a registration statement on the appropriate form under the Securities Act and applicable state securities laws with respect to the Shares proposed to be transferred shall then be effective or (b) the Company has received
an opinion from counsel reasonably satisfactory to the Company, that such registration is not required because such transaction is exempt from registration under the Securities Act and the rules promulgated by the Securities and Exchange Commission
thereunder and with all applicable state securities laws. 

 5.2 Lock-up. Subscriber acknowledges that the
Shares will be subject to lock-up provisions (the “Lock-up”) contained in the Insider Letter. 

5.3 Restrictive Legends. All certificates representing the Shares shall have endorsed thereon legends substantially as follows: 

“THE SECURITIES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED UNDER THE UNITED STATES SECURITIES ACT OF 1933, AS AMENDED, OR ANY STATE SECURITIES LAWS
AND NEITHER THE SECURITIES NOR ANY INTEREST THEREIN MAY BE OFFERED, SOLD, TRANSFERRED, PLEDGED OR OTHERWISE DISPOSED OF EXCEPT PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT UNDER SUCH ACT OR SUCH LAWS OR AN EXEMPTION FROM REGISTRATION UNDER SUCH
ACT AND SUCH LAWS WHICH, IN THE OPINION OF COUNSEL, IS AVAILABLE.” 
 “THE SECURITIES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO A
LOCKUP AND MAY NOT BE OFFERED, SOLD, TRANSFERRED, PLEDGED OR OTHERWISE DISPOSED DURING THE TERM OF THE LOCKUP.” 
 5.4
Additional Shares or Substituted Securities. In the event of the declaration of a share capitalization, the declaration of an extraordinary dividend payable in a form other than Ordinary Shares, a
spin-off, a share sub-division, an adjustment in conversion ratio, a recapitalization or a similar transaction affecting the Company’s outstanding Ordinary Shares
without receipt of consideration, any new, substituted or additional securities or other property which are by reason of such transaction distributed with respect to any Shares subject to this Section 5 or into which such Shares thereby become
convertible shall immediately be subject to this Section 5 and Section 3. Appropriate adjustments to reflect the distribution of such securities or property shall be made to the number and/or class of Ordinary Shares subject to this
Section 5 and Section 3. 
 5.5 Registration Rights. Subscriber acknowledges that the Shares are being purchased pursuant
to an exemption from the registration requirements of the Securities Act and will become freely tradable only after certain conditions are met or they are registered pursuant to a registration rights agreement to be entered into with the Company
prior to the closing of the IPO (the “Registration Rights Agreement”). 
 6. Other Agreements. 

6.1 Further Assurances. Subscriber agrees to execute such further instruments and to take such further action as may reasonably be
necessary to carry out the intent of this Agreement. 
 6.2 Notices. All notices, statements or other documents which are required or
contemplated by this Agreement shall be: (i) in writing and delivered personally or sent by first class registered or certified mail, overnight courier service or facsimile or electronic transmission to the address designated in writing,
(ii) by facsimile to the number most recently provided to such party or such other address or fax number as may be designated in writing by such party and (iii) by electronic mail, to the electronic mail address most recently provided to
such party or such other electronic mail address as may be designated in writing by such party. Any notice or other communication so transmitted shall be deemed to have been given on the day of delivery, if delivered personally, on the business day
following receipt of written confirmation, if sent by facsimile or electronic transmission, one (1) business day after delivery to an overnight courier service or five (5) days after mailing if sent by mail. 

 6.3 Entire Agreement. This Agreement, together with that certain Insider Letter to be
entered into between Subscriber and the Company and the Registration Rights Agreement, each substantially in the form to be filed as an exhibit to the Registration Statement, embodies the entire agreement and understanding between the Subscriber and
the Company with respect to the subject matter hereof and supersedes all prior oral or written agreements and understandings relating to the subject matter hereof. 

6.4 Modifications and Amendments. The terms and provisions of this Agreement may be modified or amended only by written agreement
executed by all parties hereto. 
 6.5 Waivers and Consents. The terms and provisions of this Agreement may be waived, or consent for
the departure therefrom granted, only by written document executed by the party entitled to the benefits of such terms or provisions. No such waiver or consent shall be deemed to be or shall constitute a waiver or consent with respect to any other
terms or provisions of this Agreement, whether or not similar. Each such waiver or consent shall be effective only in the specific instance and for the purpose for which it was given, and shall not constitute a continuing waiver or consent. 

6.6 Assignment. The rights and obligations under this Agreement may not be assigned by either party hereto without the prior written
consent of the other party. 
 6.7 Benefit. All statements, representations, warranties, covenants and agreements in this Agreement
shall be binding on the parties hereto and shall inure to the benefit of the respective successors and permitted assigns of each party hereto. Nothing in this Agreement shall be construed to create any rights or obligations except among the parties
hereto, and no person or entity shall be regarded as a third-party beneficiary of this Agreement. 
 6.8 Governing Law. This
Agreement and the rights and obligations of the parties hereunder shall be construed in accordance with and governed by the laws of New York applicable to contracts wholly performed within the borders of such state, without giving effect to the
conflict of law principles thereof. 
 6.9 Severability. In the event that any court of competent jurisdiction shall determine that
any provision, or any portion thereof, contained in this Agreement shall be unreasonable or unenforceable in any respect, then such provision shall be deemed limited to the extent that such court deems it reasonable and enforceable, and as so
limited shall remain in full force and effect. In the event that such court shall deem any such provision, or portion thereof, wholly unenforceable, the remaining provisions of this Agreement shall nevertheless remain in full force and effect. 

6.10 No Waiver of Rights, Powers and Remedies. No failure or delay by a party hereto in exercising any right, power or remedy under
this Agreement, and no course of dealing between the parties hereto, shall operate as a waiver of any such right, power or remedy of such party. No single or partial exercise of any right, power or remedy under this Agreement by a party hereto, nor
any abandonment or discontinuance of steps to enforce any such right, power or remedy, shall preclude such party from any other or further exercise thereof or the exercise of any other right, power or remedy hereunder. The election of any remedy by
a party hereto shall not constitute a waiver of the right of such party to pursue other available remedies. No notice to or demand on a party not expressly required under this Agreement shall entitle the party receiving such notice or demand to any
other or further notice or demand in similar or other circumstances or constitute a waiver of the rights of the party giving such notice or demand to any other or further action in any circumstances without such notice or demand. 

 6.11 Survival of Representations and Warranties. All representations and warranties
made by the parties hereto in this Agreement or in any other agreement, certificate or instrument provided for or contemplated hereby, shall survive the execution and delivery hereof and any investigations made by or on behalf of the parties. 

6.12 No Broker or Finder. Each of the parties hereto represents and warrants to the other that no broker, finder or other financial
consultant has acted on its behalf in connection with this Agreement or the transactions contemplated hereby in such a way as to create any liability on the other. Each of the parties hereto agrees to indemnify and save the other harmless from any
claim or demand for commission or other compensation by any broker, finder, financial consultant or similar agent claiming to have been employed by or on behalf of such party and to bear the cost of legal expenses incurred in defending against any
such claim. 
 6.13 Headings and Captions. The headings and captions of the various subdivisions of this Agreement are for
convenience of reference only and shall in no way modify or affect the meaning or construction of any of the terms or provisions hereof. 

6.14 Counterparts. This Agreement may be executed in one or more counterparts, all of which when taken together shall be considered one
and the same agreement and shall become effective when counterparts have been signed by each party and delivered to the other party, it being understood that both parties need not sign the same counterpart. In the event that any signature is
delivered by facsimile transmission or any other form of electronic delivery, such signature shall create a valid and binding obligation of the party executing (or on whose behalf such signature is executed) with the same force and effect as if such
signature page were an original thereof. 
 6.15 Construction. The parties hereto have participated jointly in the negotiation and
drafting of this Agreement. If an ambiguity or question of intent or interpretation arises, this Agreement will be construed as if drafted jointly by the parties hereto and no presumption or burden of proof will arise favoring or disfavoring any
party hereto because of the authorship of any provision of this Agreement. The words “include,” “includes,” and “including” will be deemed to be followed by “without limitation.”
Pronouns in masculine, feminine, and neuter genders will be construed to include any other gender, and words in the singular form will be construed to include the plural and vice versa, unless the context otherwise requires. The words “this
Agreement,” “herein,” “hereof,” “hereby,” “hereunder,” and words of similar import refer to this Agreement as a whole and not to any particular subdivision unless expressly
so limited. The parties hereto intend that each representation, warranty, and covenant contained herein will have independent significance. If any party hereto has breached any representation, warranty, or covenant contained herein in any respect,
the fact that there exists another representation, warranty or covenant relating to the same subject matter (regardless of the relative levels of specificity) which such party hereto has not breached will not detract from or mitigate the fact that
such party hereto is in breach of the first representation, warranty, or covenant. 
 6.16 Mutual Drafting. This Agreement is the
joint product of the Subscriber and the Company and each provision hereof has been subject to the mutual consultation, negotiation and agreement of such parties and shall not be construed for or against any party hereto. 

 7. Voting and Tender of Shares. 

Subscriber agrees to vote the Shares in favor of an initial business combination that the Company negotiates and submits for approval to the
Company’s shareholders and shall not seek repurchase or redemption with respect to any of the Shares. Additionally, the Subscriber agrees not to tender any Shares in connection with a tender offer presented to the Company’s shareholders in
connection with an initial business combination negotiated by the Company. 
 8. Indemnification. 

Each party shall indemnify the other against any loss, cost or damages (including reasonable attorney’s fees and expenses) incurred as a
result of such party’s breach of any representation, warranty, covenant or agreement in this Agreement. 
 [Signature Page Follows] 

 If the foregoing accurately sets forth our understanding and agreement, please sign the
enclosed copy of the Agreement and return it to us. 
  

			
	Very truly yours,
	
	Hash Space Acquisition Corp
		
	By:	 	 /s/ Haiyi Lu

	Name:	 	Haiyi Lu
	Title:	 	Chief Executive Officer
	
	Accepted and agreed, June 4, 2021
	
	Fucheng Technology Group Limited
		
	By:	 	
		
	By:	 	 /s/ Haiyi Lu

	Name:	 	Hayi Lu
	Title:	 	Director

 [Signature page to Subscription Agreement]

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