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                              July 28, 2023

       James Cheng
       Chief Financial Officer
       Canaan Inc.
       28 Ayer Rajah Crescent #06-08
       S139959, Singapore

                                                        Re: Canaan Inc.
                                                            Form 20-F for the
Fiscal Year Ended December 31, 2022
                                                            File No. 001-39127

       Dear James Cheng:

              We have limited our review of your filing to the submission
and/or disclosures as
       required by Item 16I of Form 20-F and have the following comments. In
some of our comments,
       we may ask you to provide us with information so we may better
understand your disclosure.

              Please respond to these comments within ten business days by
providing the requested
       information or advise us as soon as possible when you will respond.

                                                        After reviewing your
response to these comments, we may have additional comments.

       Form 20-F for the Fiscal Year Ended December 31, 2022

       Item 16I. Disclosure Regarding Foreign Jurisdictions that Prevent
Inspections, page 112

   1.                                                   Pursuant to paragraph
(a) of Item 16I, please clarify whether you are owned or controlled
                                                        by a governmental
entity in the foreign jurisdiction or tell us why you are not required to
                                                        do so. Please
supplementally describe any materials that were reviewed and tell us
                                                        whether you relied upon
any legal opinions or third party certifications such as affidavits
                                                        as the basis for this
submission. In your response, please provide a similarly detailed
                                                        discussion of the
materials reviewed and legal opinions or third party certifications relied
                                                        upon in connection with
the required disclosures under paragraphs (b)(2) and (3).
   2.                                                   In order to clarify the
scope of your review, please supplementally describe the steps you
                                                        have taken to confirm
that none of the members of your board or the boards of your
                                                        consolidated foreign
operating entities are officials of the Chinese Communist Party. For
                                                        instance, please tell
us how the board members    current or prior memberships on, or
                                                        affiliations with,
committees of the Chinese Communist Party factored into your
                                                        determination. In
addition, please tell us whether you have relied upon third party
                                                        certifications such as
affidavits as the basis for your disclosure.
 James Cheng
Canaan Inc.
July 28, 2023
Page 2
3.    We note that your disclosures pursuant to Items 16I(b)(2), (b)(3), and
(b)(5) are provided
      for Canaan Inc. We also note that your list of subsidiaries in Exhibit
8.1 appears to
      indicate that you have subsidiaries in Hong Kong and countries outside
China. Please
      note that Item 16I(b) requires that you provide disclosures for yourself
and your
      consolidated foreign operating entities, including variable interest
entities or similar
      structures.

             With respect to (b)(2), please supplementally clarify the
jurisdictions in which your
           consolidated foreign operating entities are organized or
incorporated and provide the
           percentage of your shares or the shares of your consolidated
operating entities owned
           by governmental entities in each foreign jurisdiction in which you
have consolidated
           operating entities in your supplemental response.
             With respect to (b)(3) and (b)(5), please provide the required
information for you and
           all of your consolidated foreign operating entities in your
supplemental response.
4.    With respect to your disclosure pursuant to Item 16I(b)(5), we note that
you have included
      language that such disclosure is    to our knowledge.    Please
supplementally confirm
      without qualification, if true, that your articles and the articles of
your consolidated
      foreign operating entities do not contain wording from any charter of the
Chinese
      Communist Party.
        We remind you that the company and its management are responsible for
the accuracy
and adequacy of their disclosures, notwithstanding any review, comments, action
or absence of
action by the staff.

      Please contact Jimmy McNamara at 202-551-7349 or Christopher Dunham at
202-551-
3783 with any questions.



                                                            Sincerely,
FirstName LastNameJames Cheng
                                                            Division of
Corporation Finance
Comapany NameCanaan Inc.
                                                            Disclosure Review
Program
July 28, 2023 Page 2
cc:       Steve Lin
FirstName LastName