{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the characteristics of the BLS multi-signature scheme in blockchain?","a":"Security: The BLS signature algorithm is based on elliptic curve cryptography and has high security. Additionally, it also has the ability  to resist quantum attacks, ensuring its security even in the face of threats from quantum computers."}]}],"pr":"46213194f02cb476b461fd30cb2b687285beb341ba633cb4fd49298d47af33c5"}