{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to ensure the security of a blockchain network?","a":"Transaction validation: Each transaction in a blockchain network must be validated by the nodes before being added  to the blockchain. This process prevents fraudulent transactions and ensures the overall security of the network."}]}],"pr":"848da8eb95302f7f21309b87311940c34132a79a26ed154d4db5b7153e2cf417"}