{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do validation nodes work in a blockchain?","a":"Install relevant software: According to the blockchain project you choose, install the corresponding node software following the official  guide. For example, for Polkadot, you can refer to the official documentation to install the relevant software on an Ubuntu server."}]}],"pr":"2a3d4603da5e1b1ccba5932eead6b055d5f9b1a0f5195fa6ef2ed24cb276ecf2"}