spb/market-atlas

1# bitstamp-ws23Bitstamp public WebSocket v2 (`wss://ws.bitstamp.net`): `live_trades_<pair>` + `order_book_<pair>`.45- **Type**: WEBSOCKET · **Rights**: PUBLIC_ATTRIBUTED · **Real-time**: REALTIME (exchange `microtimestamp`)6- **Pairs**: BTC/ETH/XRP/LTC/SOL/ADA/LINK/DOGE in USD, BTC/ETH in EUR, BTC/USDT, plus **EUR/USD and GBP/USD** (real fiat spot markets → FOREX instruments, observation type TRADE).7- **Fields**: LAST_PRICE from trades, BID/ASK from the top of the book. No 24 h stats on these channels.8- **Heartbeat**: `{"event":"bts:heartbeat"}` every 25 s; the server may send `bts:request_reconnect` (handled by the SDK reconnect on close).9