raksha ki ek dviteeya shreni, taig kloning ko rokane ke liye kriptograafi ka upayog karti hai. kuchh taig ek prakaar ke "roling code" yojana ka upayog karte hain, jismein taig pahachaanakarta jaankaari pratyek scan ke baad parivrtit ho jaati hai, is tarah dekhi gayi pratikriyaaon ki upayogita ko kam kar deti hai. adhik parishkrut upakaran chunauti-pratikriya pramaaneekaran mein sanlagn hote hain jahaan taig, reedar ke saath soochana ka aadaan pradaan karta hai. in protokaul mein, taig aur reedar ke beech asurakshit sanchaar channel par gupt taig jaankaari naheen bheji jaati hai. balki, reedar taig ke liye ek chunauti jaari karta hai, jo ek parinaam ke saath javaab deta hai jiski ganana kuchh gupt moolya ke saath bandhe kriptograafik sarkit ka upayog karte hue ki jaati hai. aise protokaul, samamit ya saarvajanik kunji kriptograafi par aadhaarit ho sakta hai. koot roop se saksham taig ki aamtaur par keemat naatakeeya roop se uchch hoti hai aur ise saral samakaksh se adhik bijli ki aavashyakta hoti hai aur parinaamasvaroop in taig ki tainaati adhik seemit hai. is laagat/vidyut bandhan ne kuchh nirmaataaon ko kaafi kamjor ya svaamitv waali enkripshan yojanaaon ka upayog karke kootlekhit taig lagaane mein prerit kiya, jo parishkrut hamle ko aavashyak roop se naheen rokate. udaaharan ke liye, eksaun-mobil speedapaas, Texas instroomeints dvaara nirmit ek kootalekh-saksham taig ka upayog karta hai, jise digital signechar traansapondar (DST) kehte hain, jismein kam laagat ke liye ek chunauti-pratikriya protokaul karne ke liye ek kamjor, svaamitv enkripshan yojana shaamil hai.
Japani shahar osaaka mein school prashaasan ab ek praathamik school mein bachchon ke kapde, back paik aur chhaatr ID mein chip laga raha hai.[38] donkaastar, England mein ek school, chhaatron ki vardi mein radio chips traiking karke ek nigraani pranaali ka parikshan kar raha hai taaki vidyaarthiyon par najar rakhi ja sake. [39] vest London, England, mein sitmbar, 2008 mein shuroo seint Charles siksth firm college mukhya dwaar se baahar jaane aur andar aane ke liye ek RFID card pranaali ka prayog kar raha hai, taaki upasthiti ka khaaka aur anaadhikrut pravesh ko roka ja sake. jaisa ki klekaheetan England, mein vhitklif mount school mein hai jo RFID ka upayog karte hue ek vishesh prakaar se dijaain kiye gaye card ke jariye imaarat ke baahar aur andar maujood vidyaarthiyon aur karmachaariyon ko track karta hai. fileepeens mein, kuchh schoolon mein pustak lene ke liye pehle se hi ID mein RFID ka upayog kiya jaata hai aur us vishesh school mein dwaar par RFID ID skainars lage hain. ye school hain kvijon city ka klairat school, Colegio de San Juan de Letran aur anya niji school.

Born on 20 October 1923 to Sankaran and Accamma in Alappuzha, Travancore (part of present-day Kerala state, India), he lost his mother when he was four years old and subsequently lost his father at age 11. This forced him to quit his studies after finishing 7th standard in school and college[9] He started working by helping his elder brother in a village tailoring shop. Later he took up the job of meshing coir to make ropes at a coir factory.[10][11]
RFID taig ka istamaal jin tol booth par electronic tol sangrahan ke liye kiya jaata hai unamein shaamil hain jaurjiya ka krooj card, California ka faasatraik, Colorado ka E-470, ilinois ka I-paas, oklaahoma ka paaikapaas, vistaar karte poorvi raajyon ka E-ZPass pranaali (maisaachusets ke fast len, delaaveyar, new haimpashaayar tarnapik, maireelaind, new jersey tarnapik peinsilveniya tarnapik, vest varjeeniya tarnapik, New York ki throove pranaali, varjeeniya, main tarnapik aur rode dweep ke nyooport brij sahit), sentral florida bhi is takaneek ka istemaal apne E-PASS pranaali ke maadhyam se karte hain. E-paas aur sanapaas paarasparik roop se sangat hain. florida ka sanapaas, Texas mein vibhinn pranaali jismein shaamil hain D/FW ka NTTA tolataig, ostin metro TxTag aur Houston HCTRA EZ taig (jo praarambhik 2007 ke roop mein kisi bhi Texas tol road par maanya hain), kensaas ka K-taig, "kraus-ijraail raajamaarg" (raajamaarg 6), fileepeens ka south lujon expressway E-paas, Brisbane ke kveensalaind motaravej ka govaaya taig (pehle E-tol ke naam se gyaat), Australia, mein system, otopista del sol (sans raajamaarg), otopista sentral (kendreeya raajamaarg), otopista los librtadores, kostaanera norte, vespusiyo norte express aur vespusiyo sur shahari raajamaarg aur har aane wala shahari raajamaarg (ek "mukt pravaah" saadhan mein) chili mein niji niveshakon ko chhoot praapt, Hongkong ke sabhi tol surang (ototol) aur Portugal ke sabhi raajamaarg (viya verd, tol ke poore network ka vistaar karne waali duniya ki pehli pranaali), France (libr-T pranaali), Italy (teleepaas), Spain (Via-T), braajeel (sem paraar - Via Fáacil). taig, jo aam taur par sakriya prakaar ke hote hain, vaahanon ke booth se gujarte samay door se padhe jaate hain aur taig jaankaari ka prayog ek poorv bhugataan khaate se tol raashi ko naame likhne ke liye kiya jaata hai. yeh pranaali tol plaaja ke maadhyam se yaataayaat ko gati dene mein madad karti hai, choonki yeh RFID vaahan taig ke liye taareekh, samay aur bill ke aankade darj karta hai. greater Toronto area mein plaaja aur kataar-mukt 407 express tol root, sabhi biling ke liye ek traansapondar (ek sakriya taig) ke prayog ki anumati deta hai. isse, license plate dvaara ek vaahan ki pehchaan karne ki aavashyakta samaapt ho jaati hai.[krupaya uddharan jodein]
kai adhyayanon ne yeh sthaapana ki hai ki cigarette ki bikri aur dhoomrapaan ke upayog ke samay sambandhi dhaanche alag hain. udaaharan ke liye, sanyukt raajya America mein cigarette ki bikri ka dhaancha kaafi had tak mausam se juda hua hai, garmi ke maheene mein iski bikri kaafi badh jaati hai, jabki sardiyon mein iski khapat kam ho jaati hai.[68]
passport ko adhik surakshit banaane ke prayaas mein kai deshon ne passport mein RFID laagoo kiya hai. baharahaal, Britain ke chips par enkripshan ko 48 ghante ke andar tod diya gaya tha.[66] us ghatna ke baad se aur adhik prayaas ne shodhakartaaon ko, jab passport ko uske maalik ke paas bheja ja raha ho us vakt passport deta ko klon karne ki anumati di. jahaan ek aparaadhi ko chupake se lifaafe ko kholana aur fir band karne ki jaroorat thi, ab yeh pata lage bina kiya ja sakta hai, jisse passport pranaali mein kuchh asuraksha badh gayi hai.[67]
prativedan ke liye engineer digital system ke prakaaron par vichaar karte hain. adhikaansh digital system "sanyojan system" aur "anukramik system" mein vibhaajit ho jaate hain. sanyojan pranaali mein hamesha jo input diya jaata hai vahi aautaput vah deta hai. yeh mool roop se laujik prakriya ke set ka pratinidhitv karta hai aur jiski charcha pehle hi ki ja chuki hai.

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