{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What types of parameters and technologies does the BLS multi-signature scheme in blockchain adopt for block signatures?","a":"Elliptic Curve Cryptography: The BLS signature algorithm is  based on elliptic curve cryptography, which generates public and private keys by selecting an elliptic curve and a generator."}]}],"pr":"ec10558b5bee21800b1993b48becfdc74cb7d4df3f4553313c737a912b777b32"}