{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain ensure the security and reliability of smart contracts?","a":"Encryption algorithm protection: Blockchain uses advanced encryption  algorithms (such as SHA-256) to protect the security of data and transactions."}]}],"pr":"edda03e03dd4146226fe0d78eb58e0eb7d9e2c7f32d38e18ea829e9a8702e5ee"}