v3.26.1
Cover
12 Months Ended
Dec. 31, 2025
Cover [Abstract]  
Document Type 6-K
Amendment Flag false
Document Period End Date Dec. 31, 2025
Document Fiscal Period Focus FY
Document Fiscal Year Focus 2026
Current Fiscal Year End Date --12-31
Entity File Number 001-41639
Entity Registrant Name SMX (SECURITY MATTERS) PUBLIC LIMITED COMPANY
Entity Central Index Key 0001940674
Entity Address, Address Line One Mespil Business Centre
Entity Address, Address Line Two Mespil House
Entity Address, Address Line Three Sussex Road
Entity Address, City or Town Dublin
Entity Address, Country IE
Entity Address, Postal Zip Code 4