Spent the whole night studying X's rules. Overall, the chances of getting your account banned right away are pretty low. Generally, even if undisclosed crypto ads are detected, they usually start with a warning, reduce visibility, and at most delete the tweet. But if you keep violating the rules and hit the threshold within X, then the next step is an account ban. Still, it's better not to take chances. After all, the value of the account is much higher.