{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does the PoS mechanism in blockchain ensure network security?","a":"Node selection: The PoS mechanism increases the threshold for nodes to process data. Only nodes that meet certain conditions,  such as pledging a certain amount of tokens, are eligible to become validator nodes. This ensures that nodes in the network have a certain degree of equity and credit, thereby reducing the threat of malicious nodes."}]}],"pr":"1ddf5fa15b693c0959e95372db477115c71b8526e740e566b33f2d12af64dca8"}