{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the verification steps required before upgrading a blockchain?","a":"Security Assessment: Evaluate the  security of the blockchain network to ensure that data and assets are adequately protected."}]}],"pr":"f96e022ebef2f3a4992359a212c2d31d40fec8e1bdde73adad4878f99d6402d7"}