What is the etymology of the word crypto?

It combines the prefix ‘crypto-‘ from the Greek ‘kryptos’ meaning ‘hidden or secret’ and the word ‘currency’ from the Latin ‘currere ‘ meaning ‘to run’.

before vowels crypt-, word-forming element meaning “secret” or “hidden, not evident or obvious,” used in forming English words at least since 1760 (crypto-Calvinianism), from Latinized form of Greek kryptos “hidden, concealed, secret” (see crypt; the Greek combining form was krypho-).

Cryptocurrencies are digital assets people use as investments and for online purchases . You exchange real currency, like dollars, to buy “coins” or “tokens” of a certain kind of cryptocurrency. Craft a harder-working money plan with a trusted financial pro.