What is the difference between Bitcoin options and cryptocurrency futures?

What is BTC Seer? is this a bitcoin option product from bitoffer exchange?

Recently, I heard about BTC Seer from many forums and telegram groups. I think this is a bitcoin option derivative product, but I don't know how it exactly work and how can this product stand out from numerous bitcoin options product on the market.

Do you guys know about this bitcoin option product called "BTC Seer"?