<…> 1. Does this forum have Malaysia local board? Like Arabic, Bahasa Indonesia, Spanish, etc. Because I haven't seen any Malaysia local board here and I want to contribute knowledge to my local and this forum
There is no Malaysian local board, but rather a thread instead, since it does not have enough activity to constitute a local board per se:
https://bitcointalk.org/index.php?topic=85430.1480Those are the main forum rules, although some boards (and even threads) may have some specific additional rules. You’ll need to check the stickies of the boards you visit just in case.
3. Can I promote this forum to my friends and many bitcoin enthusiasts to join this forum? <…>
As you wish. Just bear in mind that, even if you are friends, you should also pay attention to some not written forum rules that point to being ethical between friendly accounts, especially in terms of meriting them (i.e. don’t just merit them (when the time comes) because they are your friends, but rather because they deserve it).