{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the advantages of hardware wallets compared to file system wallets and paper wallets in the context of blockchain?","a":"Convenience: Hardware wallets are similar to bank U-keys, allowing users to simply press the confirmation button during  transactions without performing other complicated operations. This makes hardware wallets more convenient and efficient during the transaction process."}]}],"pr":"a4b4ff4c284ca4c019f2e4ac515808e95eea32b75db29c1814474852c5fc0eb9"}