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                 January 25, 2022

       Tyler Page
       Chief Executive Officer
       Cipher Mining Inc.
       222 Purchase Street, Suite #290
       Rye, New York 10580

                                                        Re: Cipher Mining Inc.
                                                            Registration
Statement on Form S-1
                                                            Filed January 21,
2022
                                                            File No. 333-262283

       Dear Mr. Page:

              This is to advise you that we have not reviewed and will not
review your registration
       statement.

              Please refer to Rule 461 regarding requests for acceleration. 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 Alexandra Barone, Staff Attorney, at (202) 551-8816
or Jan Woo, Legal
       Branch Chief, at (202) 551-3453 with any questions.




                 Sincerely,


                 Division of Corporation Finance

                 Office of Technology
       cc:                                              David Stewart, Esq.