{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can the proof-of-work token mining system be utilized in blockchain to solve issues related to content discovery, ranking, and spam filtering?","a":"Immutability: Blockchain uses encryption algorithms and hash functions to ensure that  once the data is recorded, it cannot be altered or tampered with. This feature prevents spam and fake content from gaining traction in the network."}]}],"pr":"21c8a633f5e13b557aabc0e1565f9143aa74af9e1d1358473f322e36b653d072"}