{"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":"6a41434112d435eb9f984308a49486df0ca7eef685ac763bae701bab85fc9a11"}