{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do blockchain validators perform node upgrades?","a":"Installing and configuring the upgrade package: Validators need to install the downloaded upgrade package on their own servers  or computers,"}]}],"pr":"b97384e63c4b93d7a1ae28fb21fbdc7c1c539bcaeaa29fba0589f02ebc229fd9"}