{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to verify the wallet of a node in a blockchain?","a":"Validate node identity: First, ensure that the node has a valid identity, such as a public  key or certificate. This helps ensure that only authorized nodes can participate in the blockchain network."}]}],"pr":"c78cf55de11cbed48e60f83fcd9f8a9da5a22a06c09fb5affd023f4f7ce19a47"}