{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the types of blockchains?","a":"Blockchain can be divided into three main types:  public blockchain, private blockchain, and consortium blockchain."}]}],"pr":"e607a5e9fc204bf6c6f7ea064f87e14901ae597d6a2934dcf050c065afcf5761"}