{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does staking in blockchain contribute to the reliability and security of the network?","a":"Preventing Double Spending: Staking can help prevent fraudulent behaviors such as double spending. In a blockchain  network, nodes need to freeze corresponding tokens before conducting transaction verification. In this way,"}]}],"pr":"759ab8a773d07de8addd987460905d492256c76f3dff53e12780624bcba65aec"}