Hello! A cyber validator is typically responsible for verifying and validating transactions on a blockchain network. This involves making sure that the transactions are legitimate and follow the rules and protocols of the network.

Regarding Sui Global becoming a validator on Sui's mainnet, I am not much of an expert and have no access to information about Sui Global's plans or intentions. However, it is certainly possible for any organization or individual to become a validator on a blockchain network, as long as they meet the necessary requirements and follow the rules and guidelines set forth by the network.

A cyber validator, particularly in the context of blockchain networks and decentralized technology ecosystems like Sui Global, serves several critical functions. Its primary role is to maintain the integrity and security of the network by validating transactions and blocks. Here’s a breakdown of what a cyber validator generally entails:

1. Transaction Verification: Cyber validators ensure that transactions taking place within the blockchain network are legitimate. They check signatures, balances, and adherence to the protocol rules to prevent fraud and double-spending.

2. Consensus Mechanism: In many blockchain systems, validators participate in the consensus process, which is the method by which the network agrees on the current state of the blockchain. This could involve mechanisms like Proof of Stake (PoS) or other consensus algorithms.

3. Block Production: Validators often have the responsibility to create new blocks in the blockchain. When they validate transactions, they can group these into blocks, which are then added to the chain, ensuring the continuity and immutability of the data.

4. Network Security: By validating transactions and participating in consensus, cyber validators contribute to the overall security of the blockchain. Their involvement protects against malicious activities that could compromise network integrity.

5. Rewards and Incentives: Validators usually receive rewards—often in the form of transaction fees or newly minted tokens—for their contributions to the network. This incentivizes them to act honestly and maintain the system’s health.

6. Monitoring: Validators often play a role in monitoring the health of the network, ensuring that all nodes are functioning correctly and that the protocol is being followed.

In summary, a cyber validator is crucial for the proper functioning of a blockchain network, ensuring that transactions are legitimate, blocks are accurately produced, and the network remains secure against attacks.

A cyber validator is typically responsible for verifying transactions, securing the network, and maintaining the integrity of a blockchain or decentralized system. It is plausible that Sui Global could become a validator on the Sui mainnet, contributing to its operations and governance while enhancing network security.