{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"In blockchain, how to use the injectived tx sign command for transaction signing?","a":"First,  ensure that you have installed the corresponding blockchain node and client, such as Ganache node for Ethereum."}]}],"pr":"0e68ec53a968241bc6208d2878246fa74a2c61b195940d8465d6fdd7e4a2beb1"}