{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain mining work?","a":"Blocks and Transactions: Bitcoin transactions are packaged into blocks, which are connected together in chronological order to form a blockchain. Each block contains a certain number  of transaction records and a meta data called block header."}]}],"pr":"2ca830fae9866810e36548219d8c7eb1c076681a48fe15e9650d9f4f4b3475ca"}