Zero-knowledge rollups are a layer 2 scaling solution designed to improve transaction throughput and efficiency on blockchain networks. They bundle multiple transactions off-chain and generate a cryptographic proof, known as a zero-knowledge proof, to verify the correctness of these transactions without revealing their details.In this process, data regarding individual transactions is kept private while the proof can be published on the main blockchain. This approach reduces the amount of data that needs to be processed on-chain, enabling faster processing times and lower fees.Furthermore, zero-knowledge rollups enhance privacy by allowing users to transact without exposing their information. This technology combines scalability with strong security guarantees, as the main blockchain remains responsible for ensuring the integrity of the rollup. Overall, zero-knowledge rollups represent a promising advancement in making blockchain networks more efficient and private.