Mastering scrolling in Flutter starts here. In this video, we break down how slivers really work: what layout constraints they receive, how they report their size, and what role things like cacheOrigin and scrollOffset actually play. Whether you're building custom scroll effects or just trying to understand how Flutter renders content efficiently, this is your foundation. In this video: 00:00 Intro 00:41 Why does the Sliver protocol exist 05:28 Scrollable 06:31 Viewport 13:51 Sliver Constraints 25:34 Sliver Geometry 31:03 Outro Subscribe for more Flutter insights and hands-on demos! #flutter #sliver #scrolling #mobiledev #ui