{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the roles of master nodes and slave nodes in sharing TLS certificates in a blockchain?","a":"Authentication: As a digital certificate, TLS is used to verify the identity between  nodes. In a blockchain network, by sharing TLS certificates, the main and secondary nodes can ensure that only nodes with legitimate certificates can join the network, thus ensuring the security and reliability of the network."}]}],"pr":"7dc71cbd89f72cefe2ba734bfe936f782936c6a738fd5493c814e6349754a929"}