olemus
polügraafia haru, mis tegeleb võltsimis- ja/või urkimiskindlate toodete (raha, väärtpaberid, passid, isikutunnistused, pitserkleebised jms) trükkimisega
= a branch of printing technology that deals with the printing of counterfeit-proof and/or tamper-proof items (money, securities, passports, identity cards, seal stickers, etc.)

ülevaateid
https://en.wikipedia.org/wiki/Security_printing

http://www.bcc.bas.bg/BCC_Volumes/Volume_49_Special_L_2017/195-201-Bojkova-31.pdf

https://www.cl.cam.ac.uk/~rja14/Papers/SE-12.pdf

https://idj.journals.ekb.eg/article_153638_87fcf836c8042940cc9c112acf6e9154.pdf

standardid
https://www.iso.org/standard/80070.html

vt ka
- optiline turve
- turvapaber