{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to use create_program_address to generate destination addresses and reduce computational cost?","a":"Write program code: According to project requirements, write program code. Ensure that the code is efficient and optimized to reduce computational cost."}]}],"pr":"4ae90ddbf7318350c3676864cb12f42bb5887428a3ed1b943ebd3f8c4228397e"}