{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do the timing and coordination steps of blockchain upgrading look like?","a":"Development stage: According to the design plan, the development team starts to write  code and conduct tests. This stage may involve..."}]}],"pr":"e276f3b362128eb7bead7d4cccd59c6bfa5101542d941e59c9143d3c98951b16"}