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How WebSockets Enable Real-Time BTC to USD and BRL Conversion

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Polling APIs every few seconds is often insufficient for real-time Bitcoin price conversion, making WebSockets a more efficient alternative. WebSockets maintain a single open connection, delivering price updates instantly with lower latency and fewer HTTP requests. A common approach streams BTC/USD and USD/BRL pairs separately, then calculates BTC/BRL by multiplying the two rates. Incoming data is normalized into a consistent internal format called a MarketTick, keeping business logic independent of external data providers. A BtcConverter class stores the latest rates and produces a conversion snapshot — a stable, computed output object consumed by the UI or other services.

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