{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do smart contracts in blockchain ensure the reliability and security of account interactions?","a":"Cryptographic protection: Smart contracts use encryption  algorithms, such as public keys and private keys, to encrypt and decrypt account information and transactions. This helps prevent illegal access and tampering with data during transmission and storage, ensuring the security of account interaction."}]}],"pr":"2e019e483b6eaee18c6a8ff7db2ea4e772818114d9f22f93eecad4a885e5ae38"}