{"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":"Data Encryption: TLS certificates can encrypt and decrypt  communication data in blockchain networks, ensuring the security of data during transmission. When main and secondary nodes share TLS certificates, they can effectively protect the privacy of data exchanged between nodes."}]}],"pr":"37af72c2c4b099ee3b0c4ba0d5617070ce73548734b858c3ecde07ac3ad6a381"}