{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the advantages of blockchain?","a":"Lower transaction costs:  Blockchain technology eliminates intermediaries, reduces transaction costs, and improves transaction efficiency."}]}],"pr":"51ef53b84a229be757d21d563d29eafef115163779a8110be4420a4b6e80ff0d"}