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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
The main/reference implementation is in C++ (https://github.com/nanocurrency/nano-node) but a port is being made to Rust (see above). The main goal is to have multiple clients to have a more robust network, and also increase the speed of development, because C++ is just harder to contribute to and easier to introduce bugs to.
NOTE:
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