{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to send signed operations in a blockchain?","a":"Generate a private key: Use the chosen  algorithm to generate a private key, which is confidential and can only be known by the holder."}]}],"pr":"b5ad3da01c5de1667ced8f0bdc50c156c3ad3f712a54f871dc76d0fcd4c94b1e"}