@xeniaioannou
minnowbooster is one of the vote selling, sp leasing, sp delegation service on steemit. Steemit itself doesn't have affiliate link. After you sign up with minnowbooster and login with steemconnect, go under " my account" top right then "user info" you will see your referral link there.
appreciate if you can use my referral link to sign up =)
https://www.minnowbooster.com/referral/664220