{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What situations could cause failure in message sending operations within a blockchain?","a":"Miner strike or decreased hashrate: The security of the blockchain network depends on the participation of miners. If miners go on strike or their hashrate decreases, it may result  in the failure of the message sending operation."}]}],"pr":"b27e13256f7dd50f3c60ef412c330318040ea3bd879987faba29c3dbf21e6608"}