{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the different block signing schemes in blockchain?","a":"Elliptic Curve Digital Signature Algorithm (ECDSA): This is a digital signature algorithm based on elliptic curve cryptography. Compared to DSA, ECDSA has shorter signature lengths and higher security levels. It is also more efficient in terms of computational resources."}]}],"pr":"362233ba7eec06fe7fb97254e8c743e27ee571ddbee9e7a180d8bf21f2cc8513"}