{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"The proposal module of a blockchain can use which protocol for querying?","a":"RESTful API protocols: Many blockchain platforms provide RESTful APIs, allowing third-party developers  to build applications to query blockchain data."}]}],"pr":"e02bfc4fae440bad34d44750036e8ff68ac4a2a8c73ef75f63d1540c44884fba"}