I am lurking here in this section for last few days and after reading this I have one question is seeds every time only have 12 words or its could be also with more words like 18 or 24 can you give any details about this.
There seeds with many length.
The most common are 12 and 24 words.
https://iancoleman.io/bip39/Here in this tool you can see that is a wide range of formats.
Based in my experience, multicurrency wallets often use 24 words. I don't know if this is a rule or something like that.