olemus
tundliku andmeelemendi asendamine
tundetu tingnimega, mis esindab seda elementi, kuid
mille kaudu ei saa seda elementi tuvastada

Wiktionary:
tokenize, verb
2. (transitive, computing) to substitute sensitive data with meaningless placeholders

ülevaateid
https://en.wikipedia.org/wiki/Tokenization_(data_security)

https://www.mcafee.com/enterprise/en-us/security-awareness/cloud/tokenization-vs-encryption.html

https://www.tokenex.com/resource-center/what-is-tokenization