Where does “cryptowallet” come from?

cryptowallet (English) comes from English wallet, from Middle English walet — A bag or knapsack.

Ancestry of “cryptowallet”, step by step

cryptowallet traces back through two separate lines of ancestry.

via English wallet

StepLanguageWordMeaning
1EnglishwalletA small case, often flat and often made of...
2Middle EnglishwaletA bag or knapsack

via English crypto

StepLanguageWordMeaning
1EnglishcryptoA secret supporter or follower; Cryptography;...
Every word from Middle English waletEvery word from English wallet