{"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":"1394afd785f6350b84355c3937151137161bf58906f336580e432b78f0f1af66"}