{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain be applied to digital identity verification?","a":"Control: Users can autonomously control their own identity information,  choosing whether to disclose it publicly or anonymously, which increases users' control over their identity information."}]}],"pr":"194b23e57e77b3ac09d55ed5581393cdebfa3723f2871dd2186afb3d42b58660"}