Why I stopped trusting Bitcoin data APIs and built my own hardware feed
Most “real-time” Bitcoin dashboards look different, but under the hood they often rely on the same upstream APIs.
That means shared latency, silent outages, hidden aggregation, and no way to verify where the data actually comes from.
I wanted something different.
So I built BlockPulse: a Bitcoin data feed measured directly from physical hardware (ESP32-based), instead of consuming third-party APIs.
This is not a trading tool.
No signals. No predictions. No financial promises.
It’s built for developers and researchers who care about independent, reproducible Bitcoin data.
If you work with real-time or external data:
where have abstractions failed you recently?
Happy to answer questions about the hardware setup or data pipeline.
— Christophe
