{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How is data secure transmission achieved in blockchain?","a":"Distributed storage: Blockchain distributes data across multiple nodes in the network, providing a fault-tolerant and secure storage system. By storing data redundantly across the network, blockchain ensures that the system remains secure even if some nodes are compromised."}]}],"pr":"550399adfeacc974b295169bdaba053d21c6e2545df1e3336184a3b35d1eec01"}