CHATTING SERVICE SERVER WHICH PROVIDES SECURE CHATTING SERVICE INTERWORKING PLURAL NODE UNITS CONSTITUTING BLOCKCHAIN NETWORK AND OPERATING METHOD THEREOF

摘要

Disclosed are a chat service server that provides a secure chat service by interworking with a plurality of node devices forming a block chain network, and an operating method thereof. The present invention issues proof data for each member participating in a chat room based on a public key corresponding to each member's private key, and registers each member's proof data and public key in a blockchain network. Then, when a content posting request instructing to publish predetermined content in the chat room or a download request for content posted in the chat room is received from the terminal of a specific member participating in the chat room, the authentication data registered in the block chain network and the disclosure After completing the authentication of the member who sent the content posting request or download request based on the key, when the member authentication is completed, by allowing the posting of the content or the downloading of the content, a secure chat service between members It relates to a chat service server that supports to enable and an operation method thereof.