{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to create a validator?","a":"Determine the validation purpose: First, clarify the object and purpose of the validation, such as verifying user-input form data, ID  card numbers, bank account information, etc."}]}],"pr":"ae2d21b3ff7eab88e288cc01f8ad03cf52d261e8304185c0e1f95991b760a93d"}