{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"Why are messages checked before being sent in a blockchain?","a":"Ensuring the authenticity  and integrity of transactions: Messages are an important component of transactions, containing information about both parties involved in the transaction and other relevant data. By checking the sent messages, the authenticity and integrity of transactions can be ensured, preventing false transactions or tampering with transaction records."}]}],"pr":"527a66690d3dd0c695fa99221c3072acc41e01dad52af20b3b1a7e52077c4940"}