{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can non-circulating account addresses be obtained in the blockchain?","a":"Smart contract: If you are using Ethereum, you can write a smart  contract to detect non-circulating accounts. Smart contracts can monitor transactions on the blockchain and make judgments and handle them according to your needs. For example, you can write a contract to detect which address has never been involved in other transactions."}]}],"pr":"65b8a8875deb138d23b9d99a3e550c761c1eecf3df2be0c1abad8f9f21353364"}