We deploy and demonstrate the CoinTossX low-latency. high-throughput. open-source matching engine through small-scale desktop and large-scale locally-hosted testing with multiple traded instruments and clients managed concurrently by sending orders using the Julia and Python languages. We demonstrate a cloud-based deployment using Microsoft Azure. https://www.ngetikin.com/flash-choice-1-Gallon-Roll-Cote-High-Performance-Moisture-Vapor-Barrier-Coating-and-Primer-limited-super/