Be carefull stolen solana

so i started to invest in crypto few days ago, im a 17 year old boy that want to learn more about this world, i was checking how my profit were going in phantom when in my coolectable (nft ecc..) section i found some strange nft that was gave to me, it says that they wanted to do a drop about a new crypto of about 5000 of them so i procedd but my solana was stolen fortunatly it was olny 34$ because i had my 300$ in some memecoin but this is really a stress start, pls be careful with this thing, hope someone more expert than me can help me learn more about the world, peace