IPA: /ˌkrɪp.təˈɡræf.ɪk/
KK: /ˌkrɪptoʊˈɡræfɪk/
Related to the practice of encoding and decoding information to keep it secure.
The cryptographic techniques used in online banking help protect users' personal information.
Cryptographic → It is formed from "kryptos" (Greek for hidden) and "graphia" (Greek for writing). The word "cryptographic" refers to the practice of writing in a hidden or secret manner, often for the purpose of secure communication.
Think of 'hidden' ('kryptos') writing ('graphia') — that's why cryptographic means writing that is secret or concealed.