{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to recover keys in a blockchain?","a":"Use an encryption algorithm  (such as elliptic curve cryptography) to generate private keys. Private keys are randomly generated and are unique to each user."}]}],"pr":"45935eb95f6a62b63f4d431af34a04de9024f762f0c17767ef6a39af6a425cc6"}