You can earn $$$$ on Binance by this method and that method etc etc. You may see a lot of posts of such things people asked you to join by their links or share third party links.
Here are few methods in which you can geniounly earn freely on #Binance these are following :
#Write2Earn yes you read right: you can earn via quality and informative post on square by engaging audience.
#RewardsHub by participating in different events
#learn2earn by learning different projects and crypto on Binance academy
Referral Programs you can earn by reffernjng new user by your link.
These are legitimate methods avoid others scams links etc.