[wrinkl3]

That's a lost battle. At this stage a lot more people are aware of cryptocurrencies than of the concept of Cryptography, and slang like that always follows the majority consensus.

[fastball]

Everyone I know that refers to cryptocurrencies as "cryptos" are definitely aware that there is more to cryptography than tokens.

It absolutely is a battle we can win.

[cvsh]

What battles has linguistic prescriptivism ever won?

[ambicapter]

literally every single one of them.