Some moderator answering me if to have a kind of signature is against rules.
They have deleted me 3 messages where I have the next:
-snip-
They have deleted me 3 messages where I have the next:
-snip-
It is indeed not allowed to have a signature/BBC code in your text post/content.
You can only put a signature in the box under your content, ( which can be modified here for you, https://bitcointalksearch.org/user/electrobit-1966130), but because you're still a newb, your options there for signatures are rather limited.
See rule #24,
Quote
24. Advertisements (including signatures within the post area) in posts aren't allowed unless the post is in a thread you started and is really substantial and useful.[9][e]
https://bitcointalksearch.org/topic/unofficial-list-of-official-bitcointalkorg-rules-guidelines-faq-703657 