{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the available backends for the keyring in blockchain?","a":"In-Memory Backend: Stores private keys and certificates in memory, suitable for lightweight applications  but may lead to data loss."}]}],"pr":"78a206bbed04ebe285b18012aca92780273ea04527ead7f2b46c5087566627ad"}