{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain ensure security?","a":"Distributed storage: The data and ledgers  in the blockchain network are distributed across various nodes, without a centralized storage server. This makes the data difficult to attack or destroy. Any downtime or attack on a node will not result in data loss or tampering."}]}],"pr":"4be4fb641b0f2b5cd6b060784be3ec8aba226184394541656cd5bac03dc4e9b5"}