{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to use durable transaction random numbers for generating signatures?","a":"Generate key pairs: According to the selected algorithm, generate a pair of public and private keys for each participant. The public key will be used for signature verification, while the private key will be used for signature generation."}]}],"pr":"34c1410cb92c05b317fc64664a606aa3b4b660b46b1ad3c6a92f1d43070f3da3"}