{"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":"Verifiability: The BLS multi-signature scheme allows  participants to verify the authenticity of signatures through public parameters and known signature information, ensuring the credibility of signatures."}]}],"pr":"021f2a3a44b774c4044fff041564bb14021cdfdac9cc690f6a7b2af90056650f"}