Searching a writer for SEO blog articles specialized in crypto

We are currently searching for a blog article writer who is capable to write them search engine optimized. The goal is to win clients by giving them the right search engine results on Google and more, to redirect them to our page. The articles will be crypto-related, as we are offering OTC exchange services in our region. So crypto knowledge would be a huge plus for this position. We will need research from the blogger to find qualitative pages to use as backlinks in our articles. Sources and the like.