{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How are programmable derivative addresses used in blockchain?","a":"Set conditions: In an intelligent contract, developers can set certain conditions in advance, such as when an event occurs (such as a transaction reaching a certain  threshold), or after a certain period of time ends, and then automatically generate a new address."}]}],"pr":"5f20767fb050bafc95312bab45475f676b9dd189263eb050ecf516c6d923b94d"}