A Rollup Validator is a key component within layer 2 scaling solutions, particularly in blockchain networks. These validators help process and validate transactions off the main blockchain, reducing congestion and lowering fees.Rollup technology works by bundling multiple transactions into a single batch. This batch, or “rollup,” is then submitted to the main chain. The Rollup Validator is responsible for maintaining the integrity of these transactions, ensuring they are valid before they get finalized on the main chain.By managing transactions off-chain and periodically sending summarized data to the main blockchain, Rollup Validators facilitate faster and cheaper transactions. This makes it easier for the network to handle a higher volume of activity while leveraging the security and decentralization of the main blockchain.Overall, Rollup Validators play a crucial role in enhancing the scalability and efficiency of blockchain networks, ultimately improving user experience and encouraging broader adoption.