{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"In a blockchain, how do you verify if the address provided in a transaction is valid?","a":"Check address format: First, ensure that the address conforms to the  address format requirements of the blockchain network. For example, in the Ethereum network, a valid address should be a 42-character hexadecimal string."}]}],"pr":"b2bc5ccdb514e003f6bdb7faac5b7aa54808190da3fa318119b4948cffcd1ca6"}