Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

SMX (Security Matters) Public Limited Company

Mespil Business Center, Mespil House, Sessex Road,

Dublin 4, Ireland, D04 T4A6

We hereby consent to the incorporation by reference in this Registration Statement on Form S-8 of our report dated May 14, 2025, except for Note 28.13, as to which the date is June 20, 2025, relating to the consolidated financial statements of SMX (Security Matters) Public Limited Company (“the Company”) for the year ended December 31, 2024 appearing in the Company’s Form 6-K dated July 16, 2025. Our report contains an explanatory paragraph regarding the Company’s ability to continue as a going concern.

We also consent to the reference to us under the caption “Experts” in the Prospectus.

Tel Aviv, Israel

July 16, 2025