{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain ensure collaboration and consensus between nodes in a network?","a":"Node registration: Firstly, any interested entity can apply to become  a node in the blockchain network. After passing a certain review mechanism, eligible nodes can join the network."}]}],"pr":"0419de36274b66edd17e69d3184679ec68bac91743072ff66ce7f1265c3a73b0"}