The meaning of “going to make it” is that they will succeed. I.e. that the cryptocurrencies they are holding will be worth more USD in the future, or possibly even that the cryptocurrencies themselves become widespread enough that you can use them directly when transacting with others, and that in the latter scenario the worth of the cryptocurrency would also be high.

The term “to make it” is a regular phrase in English, and although it is commonly used in the cryptocurrency world it’s not exclusively used by them.

https://www.vocabulary.com/dictionary/make%20it

> To make it is to accomplish something, or to become successful.

"Making it" in this context refers to getting rich off of crypto speculation.

As with most things crypto, there's actually much less to it than it seems.

That said, Hacker News readers shouldn't be surprised that people use jargon to demonstrate membership of an in-group or keep away outsiders.

It's part of the doomsday cult. Just wait long enough and you'll have infinite riches and prove everyone wrong.