{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology improve digital identity protection?","a":"Blockchain technology enables fine-grained  permission control, allowing individuals to have different levels of access to data based on their roles and responsibilities, thereby"}]}],"pr":"be47f102ad107ca8fc8e8dcfe0fad5760440e0811d9975a2b9b0178b81bcf091"}