{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the purpose of the administrator field in a blockchain?","a":"Control the operation of the blockchain: Administrators can start, stop, or upgrade the blockchain network to ensure its normal operation."}]}],"pr":"e2f40fe490e534a7bf01a7723e08bc17807fe1c7745baea8a50d97beb19d8cc4"}