Similar to the change in definition for the word 'literally', the common parlance has evolved and 'crypto' now means cryptocurrency.

A good test is to look at a sentence like "are you into crypto?". Absent any other context, the majority of the English speaking world will interpret that question as being about cryptocurrency, and most won't even try to disambiguate. Someone who wanted to ask if you are into cryptography would have disambiguated in the first place.