{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"Why is gas needed in blockchain?","a":"Payment of Transaction Fees: When initiating transactions, users need to pay a certain amount of gas as a fee. This not only encourages miners to confirm and package transactions as soon  as possible but also provides maintenance costs for the blockchain network."}]}],"pr":"2d31da30c5468a59a856341f46a17d060ecdfbc7f839790564bd6cc4ae59682a"}