July 23, 2024

Carlos Moreira
Chief Executive Officer
SEALSQ Corp
Craigmuir Chambers, Road Town
Tortola, British Virgin Islands 1110

        Re: SEALSQ Corp
            Post-Effective Amendment No. 3 to Form F-1
            Filed on July 2, 2024
            File No. 333-276877
Dear Carlos Moreira:

       We have reviewed your post-effective amendment and have the following
comment(s).

       Please respond to this letter by amending your registration statement
and providing the
requested information. If you do not believe a comment applies to your facts
and circumstances
or do not believe an amendment is appropriate, please tell us why in your
response.

       After reviewing any amendment to your registration statement and the
information you
provide in response to this letter, we may have additional comments.

Post Effective Amendment No. 3 to Form F-1 filed July 2, 2024
General

1.      We note your response to prior comments 1 through 4. We do not view
these matters as
        resolved and will continue to consider your disclosure and responses in
these regards. We
        also note your disclosure that SEALCOIN    is now in development under
the umbrella of
        WISeKey International Holding AG and will be housed in a Special
Purpose Vehicle
        (SPV) to be named SEALCOIN AG, in the process of being incorporated by
WISeKey
        International Holding AG as a Swiss company.    In that regard:
            Please revise your disclosure to identify the entity, whether you,
your parent, or an
            affiliate, that currently houses the development of SEALCOIN.
            State when the transfer of the development of SEALCOIN from you to
another entity
            occurred or is expected to occur.
            State when the incorporation of SEALCOIN AG and the transfer of the
development
            of SEALCOIN to SEALCOIN AG is expected to occur.
            Disclose the terms of transferring your interests in SEALCOIN to
another entity,
 July 23, 2024
Page 2

           including, but not limited to, what consideration you received or
will receive for
           transferring your interests in SEALCOIN.
2.     Refer to your statement in your response that SEALSQ will disclose the
material terms of
       any related agreement or collaboration between SEALSQ Corp and SEALCOIN
AG, the
       Hashgraph Association and/or Hedera to the extent these agreements are
material to
       SEALSQ. Please advise us of any such related agreements expected to be
entered and
       what consideration is being given to disclosing their material terms or
to filing them as
       exhibits to the registration statement.


        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 Bradley Ecker at 202-551-4985 or Evan Ewing at
202-551-5920 with
any questions.



                                                            Sincerely,

                                                            Division of
Corporation Finance
                                                            Office of
Manufacturing