{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the advantages of the BLS multi-signature scheme in block signatures within the blockchain?","a":"Security: The BLS signature algorithm is based on elliptic curve cryptography and has high security. Compared to  the traditional ECDSA signature algorithm, BLS has better performance in terms of resistance to collision attacks and brute-force attacks. This enhances the security of the blockchain system."}]}],"pr":"6b8b47728ecfbac973c286be1a3093ea09652cabbdeaf0a4d477563b556f7f72"}