{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the distinctive features and attributes of the BLS multi-signature scheme in blockchain?","a":"Randomness: The BLS multi-signature scheme utilizes verifiable randomness, which  ensures the fairness and unpredictability of the signature process."}]}],"pr":"68631d03806585400f393e13daa7d36feb1de663d9d851eeb6db5fb9af0d618f"}