{"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":"Validate transactions: Validator nodes are responsible for checking the validity of transactions, ensuring that they comply with the rules of the blockchain network,  such as consensus algorithms, encryption algorithms, etc. Only transactions that have been verified can be added to new blocks."}]}],"pr":"cb60a72895da2045e6029b07742a175deecde83cc6d6ac9a929a916527510c40"}