{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do validation nodes work in a blockchain?","a":"Choose a suitable blockchain project: First, you need to select a blockchain project such as Polkadot, Libra, etc., as the target project for running your validation node."}]}],"pr":"33b2b4ac4741996fcf48d6a59eb92859a87b42c1e74d2fc6b082f69669f55fd2"}