{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to query the redemption record in the blockchain?","a":"Choosing a query tool: According to the blockchain network, select an  appropriate query tool. For Bitcoin, you can use Blockchain.info, CoinSpyce, etc."}]}],"pr":"4c3d47275ef4584174ba2de0309cae763230ad4fa91d3090f2270f7e43a3b9f2"}