JFIF~Photoshop 3.08BIMb@KAIST develops light-based artificial fingerprints to distinguis720260826PSCIENMAGUAuthordKAIST develops light-based artificial fingerprints to distinguish genuine products from counterfeits Science@https://scienmag.com/kaist-develops-light-based-artificial-finge© 2026 Sciencehttps://scienmag.com/A flash of light from a smartphone and a brief beam from a laser pointer may soon be enough to expose a counterfeit product. Researchers at the Korea Advanced Institute of Science and Technology (KAIST), working with scientists at Sungkyunkwan University, have developed a physical security technology that creates microscopic “artificial fingerprints” from the random […]ScienceTecTechnology and EngineeringTechnology and Engineering!artificial fingerprint technology6invisible security patterns for counterfeit prevention&laser and light-based security markers%light-based anti-counterfeit measures1luxury goods and electronics anti-fraud solutions7microscopic optical signatures for product verification$nanoparticle-based security features"nanotechnology in product security.non-invasive product authentication techniques8physical unclonable functions for product authentication"quantum-resistant security methods&smartphone-based counterfeit detectionC    !'"#%%%),($+!$%$C   $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$"<!1Q"Aa#2Bq3Cb$Rrs4ST0!1AQaq"2r#B ?1"c&1"c)^@ q] k 0c c0c0c0A;Fv/e'TAQ){sL5w5G1ai^(e=7)zu6[zT5F7뮸 L@cW#uĄ$wR3RWCb5,x)ސu iw~;Hg\Z~'@-֥!* 6/T0X:_QuuNXBr"܎~)D3{>jYkI5=Vȫv]''M.1 ,%-`^ٱ4/?))\YQ| H2`u͓ L1yA=elMp>C9REDd yCrYS Gvy%{:T:c-Cs[ݗ u}4*o 9*a93rZ2)jc&1"c&1"eFS>6p;߯DŽ"D=ٔOm}>yߓ~%7 qn~b`6կ4g6< DWރ(Q~?;9k,Cp["oEje::sxVHifd}[\SJJDf$rUģ; fso"B,W$:jWO!J\Uh+BXg{fA}# qL Kǡ*eC;;߬) ɵ㯨r Y鶜4QY"+閌2d~)^e &㕹&Zԥ|Z)-4P'R72嵐sRH&77 0ݭ6 Çj۱=߸-8/2ΒL12KҢXU)HɘM +Qgɫ}u_ fLTB Ϧ{ua$S_XHsѼkk\▊1q|!{@o(%YFw/i8X` nRFF&?z1T<7[%oX(c0c~.HM4\ZR|X̓W˕W0$UZ)}OT<1@) x 1i+ !wIS?dEd81vTD$)H|TͷG!Ɗyq7+)'ej>eENZBE/М=OLX?vϖ=\[WFEeJHe!Λ= jC$6㶲%9Co 9G*r$Zal)Cozԩ~$W]qCCh^HJSjJy?k{mH Ck$i E)qH+Ztwo1Y:4|b:T'}n!_'1xÑV42HyR [{}JUYG)[z|eE>YNJm; ᄄy]uYh\l鵟9CfeuTk[-ǜL3o@tCO?1۾Gl`o٫ޏB<<1ZrygJ t:v`?)B*U\Gc(9EǫEnbRE[xwt4|x]aB]hNze˒r3e)JT y1uϑLcXLcD1LΧ} OY}w`jiSR iIRwH+zf8$f kWBttzqC5Y6 թбԆeVAdG #H`SCTuU '|}V'&=mjXcNsyI'ϘbuXzy= d,xIs]d4jPDhi(zu|_dP0*kYqoq欭~ܞVFC3A?_yk"KםKN-oye}$zH9)E "[nKt[OB:N QWO c˦bU%؈*B>hk'%U:vʾ~lGI\?0xRRu'I'癉eKĭKFa<19Ɋ!Ki_J࿴745v}v~و\^Sa̡Cӷ{]s`"}} NE\5rx+Fݍ:\RW2*x򠔔rI!?Q޹gkYɆh?uRb5 c2c&1"c) gYMlmuQ_K! P3o.8DzV^wU$Ou=>(P25lyɾҶFSޣ_`b;]3šv7~049±L[CO06X4 gUf$񄆕lߒ I?_l%_ g;z\JULJ$OO끄:ʁ[2,kCO~ji:j9zŴ]6F,}Ay#yv-ړ\Ǧ7ҵHm8nc'Py5\J 6kXi/1#X,BW! =M#߈ BSrG !ձYzE[)$`o]Z޿\r_zKj+8N,^"IP`-0xp܀3m:Jo1\]WsmȖp4C#rLXֆ 8Lc1a1a2keJD2]7J)PC BSڴdT"ŕjd-YyHleb;Y쫍O!ȼcyN;dܢM *\I BtB~~YWW3cY?rOwa%HJ^}ݠ0>6Q{r0.?@=@52Ô>j k)hKkA@1Ԕ|"q%ViQD'',VcGȎ}Û>Tʒw5E,I4%@KP'{'~eÈs#;)ZhZ5l(+Sq[%U58RZ9'M!I=k֜څNx::`d1Ϩ*T/6#9:/*u큆 Kn{*L#D5$|s˖.ɒyj;*Q;$e %*rj}OSH^)c0c0c0SD1LcD1LcD1LcD1LcD1LcD1LcD1LcD1_