{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"In blockchain, how can we ensure the safety and reliability of cross-program calls?","a":"Building secure communication protocols: Design dedicated communication protocols  that specify data transmission formats, encryption algorithms, authentication methods, etc., to ensure the integrity and security of the data during transmission."}]}],"pr":"69e32cb3641a92753c78f05f0432214b376ccf164f078c8364ff4d998abc4e2b"}