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QAExchange Trading System
qaexchange-rs is a Rust-based high-performance quantitative exchange system and self-developed database for QUANTAXIS. It is production-ready, featuring secondary indexing with under 10-microsecond query latency, ZSTD/LZ4/Snappy compression, asynchronous WAL persistence over 200K ops/s, TLS 1.3, and Prometheus/OpenTelemetry observability.