On the server, the channels generally represent the places where the transaction takes place (order book,last transactions, etc.) and the events represent the pair value (such as BTCTRY, ETHTRY, XLMUSDT) where the transaction takes place. In some special cases, these values may change. For example, to receive ticker data for all pairs, it is necessary to subscribe to the all event of the ticker channel . The server runs on 3 channels: