# Validator responsibilities

Validators play a critical role in ChainVast’s integrity:

* **Block Proposal & Validation**\
  Validate transactions and propose new blocks to the network.
* **Consensus Participation**\
  Engage in Snowman++ consensus rounds to finalize transactions with sub-second finality.
* **Network Security**\
  Ensure high availability, protect against malicious activity, and help maintain decentralization.
*


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