I would give you a bit of advice, some you'll like and other bits you won't.
1) Crypto is big business and if this (I suspect it is) is your first ever blog you are going to struggle to rank and quickly become demotivated.
People are throwing serious time and money at this niche and the barrier of entry for a newbie is just too high.
Find another lower competition niche, something that will give you small results that will grow over time and keep you motivated.
2) Get yourself a top level domain and hosting, use wordpress as your platform. It's more flexible and much better than the free platforms like wix etc.
3) Read, learn and implement. You sound fresh to internet marketing, apologies if you are not but it comes across that way.
Read the basics on keyword research, optimization, content writing and start putting into action what you've learned.
4) Most important by far, stay consistent. Work on your site every day.
Create a plan and stick to it. Even if you only have 1 hour a day use that hour every day.
Set a time and form a habit so if you get 1 hour a day pick a set hour say 5pm to 6pm and work during that hour every single day.
You'll quickly get into a routine and it will benefit you massively.
Spend the last 5 minutes of your alloted time to plan for the next day.
Set yourself time limits and use a timer. You'll be more productive than just half winging it.
E.g. Your plan for the day is to write a 1000 word article.
Set a timer for an hour and try to complete that article before your timer runs out.
Believe me you'll get a lot more done when you are trying to beat the clock.
Hope this helps buddy and good luck.