{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the role of validator nodes in a blockchain?","a":"Maintain network security: Validator nodes ensure the security of the blockchain network  by continuously monitoring and verifying the transactions. They also participate in the consensus process to maintain the integrity and security of the entire network."}]}],"pr":"0c96b5b04ebda7b69926284da05a108b9b78ff79fc1785ede432ac4807dd8eb9"}