{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How is the communication between etcd and validator in a blockchain ensured to be secure?","a":"onsensus Algorithm: The consensus algorithm in a blockchain plays a vital role in ensuring the security and stability  of the system. By reaching a majority agreement among participants, the consensus algorithm prevents unauthorized modifications to the blockchain and maintains a secure and reliable ecosystem."}]}],"pr":"88f0def43a8bd6398a484006ee91f4de8ac92dcc01e3d89b640fb572a34cd5fb"}