Yes, just make sure you provide a link to the original article as otherwise it might be considered plagiarism and get you banned.
If such an issue comes up, as it has a couple of times I noticed, it would be fixed up quickly enough with an appeal and proof that the original article was posted by the same user.
Regardless, it's always ideal to reference the original source of the work.
Advise what forums and websites are there for publishing my articles on the topic of cryptocurrencies?
Except you work for one of the popular crypto websites, you can not post an article there. Your best option would be to run a personal blog or create an account on one of such websites.
There are also such platforms on which one can get paid for posting articles related to cryptocurrencies.