{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can I query historical states through REST Endpoints?","a":"Design a RESTful architecture: Design a RESTful architecture to ensure that your  API can easily handle historical state queries. This includes defining appropriate HTTP verbs (such as GET, POST, PUT, and DELETE)."}]}],"pr":"d745da049226e477dd1f44ded9de3ba0996e4b38db57d4286aef08b1b3bea6f9"}