{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What backends can be used with the keyring in blockchain?","a":"Hardware Wallet Backend: Stores keys and certificates  in secure hardware devices such as Trezor and Ledger. This backend provides higher security and is suitable for advanced users and those with high security requirements."}]}],"pr":"5f6761c8c540d10f18178427ec4ba7a9eef641efa46b211ed46dfd365f2501ed"}