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zk rollups are one of the biggest parts of Ethereum’s scaling roadmap, but they’re often explained badly. In this video, we break down what zk rollups are in plain English, how they batch transactions off-chain, and how validity proofs are posted back to Ethereum. We also cover the misconception that “zero knowledge” means private by default, why zk rollups differ from optimistic rollups, and what risks still matter before you bridge funds or invest attention into the narrative. Topics covered: - what zk rollups actually do - why Ethereum needs Layer 2 scaling - zk rollups vs optimistic rollups - why validity is not the same as anonymity - bridge risk, sequencer control, and fragmentation - how to evaluate a rollup more realistically The goal here is simple: no hype, just a better framework for understanding the category and judging projects individually.