You probably know that there are also so-called BTC forks (copies of original BTC), pay attention to this when adding links. There are many who promote BTC, but not the original ones, but some of their own versions.

For a start you can add a link to Bitcoin.org, which contains all the essential information for beginners, but as well for those who already have some experience. For those who want to know a little more about the history of Bitcoin and the creator Satoshi Nakamoto Institute.