{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the requirements for submitting validator signatures in a blockchain?","a":"Timeliness: Validators need to complete the signature submission within the specified time. Generally, this time window will be adjusted according to the consensus mechanism and transaction volume of the blockchain network to ensure the security and efficient  operation of the blockchain system."}]}],"pr":"f85a5844ce40cf179309e32d6ab609399ced88d08762a83bee70945c0b500978"}