resource
, which is a string formatted as a colon-separated scope, entity ID, and subject.Kraken BTC/USD
:Kraken
:BTC/USD
:BTC/*
):exchanges:4:trades
will receive all trades that happen on the Kraken exchange.instruments:9:trades
(BTC/USD), instruments:231:trades
(BTC/USDT), and instruments:232:trades
(BTC/EUR) to get all major BTC trade activity across the US and Europe on a single connection.160
) instead of human-readable symbols (like xrpusd
) to avoid breaking changes when assets or exchanges rebrand and change their own name.