VHC VirnetX Holding Corp

POWER OF ATTORNEY

Know all by these presents that the undersigned hereby constitutes and

appoints each of Kendall Larsen and Katherine Allanson of VirnetX Holding

Corporation (the "Company"), as the undersigned's true and lawful attorneys-in-

fact and agents to:

(1)

prepare, execute in the undersigned's name and on the undersigned's

behalf, and submit to the Securities and Exchange Commission (the "SEC") a Form

ID, including amendments thereto, and any other documents necessary or

appropriate to obtain codes and passwords enabling the undersigned to make

electronic filings with the SEC of reports required by Section 16(a) of the

Securities Exchange Act of 1934, as amended (the "Exchange Act") or any rule

or regulation thereunder;

(2)

prepare, execute in the undersigned's name and on the undersigned's

behalf, and submit to the SEC Forms 3, 4 and 5 (including amendments thereto and

joint filing agreements in connection therewith) with respect to the securities

of the Company in accordance with Section 16(a) of Exchange Act and the rules

thereunder;

(3)

do and perform any and all acts for and on behalf of the

undersigned that may be necessary or desirable to prepare and execute any such

Form 3, 4 or 5 (including amendments thereto and joint filing agreements in

connection therewith) and file such Forms with the SEC and any stock exchange,

self-regulatory association or any other authority; and

(4)

take any other action of any type whatsoever in connection with

the foregoing that, in the opinion of such attorney-in-fact, may be of benefit

to, in the best interest of, or legally required of the undersigned, it being

understood that the documents executed by the attorney-in-fact on behalf of the

undersigned pursuant to this Power of Attorney shall be in such form and shall

contain such terms and conditions as the attorney-in-fact may approve in the

attorney-in-fact's discretion.

The undersigned hereby grants to each such attorney in fact full power

and authority to do and perform any and every act and thing whatsoever

requisite, necessary, or proper to be done in the exercise of any of the rights

and powers herein granted, as fully to all intents and purposes as the

undersigned might or could do if personally present, with full power of

substitution or revocation, hereby ratifying and confirming all that such

attorney in fact, or such attorney in fact's substitute or substitutes,

shall lawfully do or cause to be done by virtue of this power of attorney

and the rights and powers herein granted.  The undersigned acknowledges that

the foregoing attorneys-in-fact, and their substitutes, in serving in

such capacity at the request of the undersigned, are not assuming (nor is

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the Company assuming) any of the undersigned's responsibilities to comply

with Section 16 of the Exchange Act.

This Power of Attorney shall remain in full force and effect until the

undersigned is no longer required to file Forms 3, 4 and 5 with respect to the

undersigned's holdings of and transactions in securities issued by the Company,

unless earlier revoked by the undersigned in a signed writing delivered to the

Company and the attorneys-in fact.  This Power of Attorney revokes any other

power of attorney that the undersigned has previously granted to representatives

of the Company.

This Power of Attorney is executed as of the date set forth below.

Signature:  /s/ Heidy Chow

Print Name:  Heidy Chow

Dated: 5/16/2024

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