{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do testing and validation nodes monitor transactions in a blockchain?","a":"Listen for transaction broadcasts: When new transactions occur, the transaction information is broadcast throughout the blockchain network. Validation nodes listen for these broadcasts  to obtain the latest transaction data."}]}],"pr":"acc001d2f53729aa9900c2937d4b6b5fdfb15640e44268c88a436b26d5dd0626"}