Security

• In the case of X-Chain, the consensus mechanism used is a variation of the Proof of Stake (PoS) mechanism called Delegated Proof of Stake (DPoS). This consensus mechanism allows for faster transaction processing times and lower energy consumption compared to Proof of Work (PoW) mechanisms, making it more efficient for X-Chain's goal of high transaction volume and low latency.

• DPoS achieves consensus by allowing token holders to vote for block producers who are responsible for validating transactions and adding them to the blockchain. These block producers are incentivized to maintain the security and integrity of the network, as they can earn rewards for their efforts. This system creates a decentralized network of validators who collectively ensure the security and integrity of transactions on the X-Chain.

• The DPoS consensus mechanism also introduces the concept of block finality, which means that once a block is added to the blockchain, it cannot be reversed or tampered with. This adds an additional layer of security to the X-Chain network, as it ensures that transactions are not only secure, but also irreversible

• Overall, the use of DPoS consensus mechanism in X-Chain provides a highly secure and efficient way to process transactions and maintain the integrity of the network, which is essential for a blockchain that aims to handle a high volume of transactions and offer low latency.