{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the characteristics of smart contracts on the blockchain?","a":"Immutable: Smart contracts run on the blockchain, once information is recorded, it cannot be  tampered with."}]}],"pr":"5096696e2c45f281abc64b755865e67f36eaf3e53014498a6104ed2876460244"}