# What Are ZK Rollups? By [devconoe.eth](https://paragraph.com/@devconoe) ยท 2023-06-28 --- * One of the vital components of ZK rollups is zero-knowledge proof systems. These systems demand trusted mechanisms. The security of a ZK rollup can be compromised by mishandling a trusted setup. * Implementation of ZK rollups is complex. It is difficult and time-consuming to compute a zero-knowledge proof. These roll-ups require data optimization to get maximum throughput. Additionally, complex mathematics is needed for the functionality of ZK rollups. * ZK rollups are vulnerable to attacks from malicious operators. Expensive hardware limits the number of participants and thus leads to censorship. * Some ZK rollups use a single node as their sequencer. This feature leads to a centralized structure and can affect the order of transactions. There is a risk of centralization when limiting the position of sequencers to a few. A popular scaling solution using ZK rollups is zkSync. This scaling solution launched zkSync 2.0 recently. It will enable developers to deploy [dApps](https://zebpay.com/blog/everything-you-need-to-know-about-dapps) on the network. StarNet is another project using ZK rollups to scale transaction throughput. Leading crypto protocols like ImmutableX use StarkNet solutions to execute fast settlements and low-cost transactions. Crypto networks outside Ethereum, like Syscoin, use ZK rollups to enable scalability without sacrificing decentralization because they store data off-chain. Read more: On-Chain vs Off-Chain ZK rollups will play a significant role in the future of crypto technology as they have witnessed growing use cases and successful adoptions. Some of its future use cases and expansion are as follows. * **Supply chain management:** ZK rollups can be used to track vehicles and the movement of goods through a supply chain. Businesses can securely track the progress of their product as transactions are executed off-chain. * **Decentralized exchanges:** ZK rollups can enable fast trading of crypto assets by powering decentralized exchanges. ZK rollups execute trades off-chain to reduce the load on the blockchain network and allow faster trade settlements. * **Data storage:** ZK rollups can be used to secure and manage large databases such as personal information or medical records. Databases can be managed and secured efficiently as transactions are executed off-chain. * **Gaming:** ZK roll ups can power gaming platforms for efficient and fast gameplay. ZK rollups can reduce the load on the crypto network and enable real-time gameplay. --- *Originally published on [devconoe.eth](https://paragraph.com/@devconoe/what-are-zk-rollups)*