{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How is the security of a blockchain system ensured?","a":"Cryptographic Protection: Blockchain technology uses cryptographic algorithms (such as SHA-256) to encrypt and protect data, ensuring  the integrity and confidentiality of the data."}]}],"pr":"19fcae1f0401bd7fc0c3d73fa4c5a65240f6042557ec0d61de1f8399bdec8a61"}