{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to save transaction space in blockchain transactions by using compressed addresses?","a":"When  registering, users generate a unique private key using wallet software. The private key grants users control over the assets in their wallet and should be kept secure to prevent leakage."}]}],"pr":"3b231e66c1ea52bdc49fdd92eee5feb4a97db5cedf4d8e823f5f129dcb88b1fe"}