Crypto liquidity looks simple from the outside: tight spreads, visible depth, and prices that stay aligned across venues. Producing that experience consistently is a sophisticated engineering achievement. Behind the order book sits a distributed system that has to synchronize data, manage risk, and coordinate capital across markets operating independently and around the clock.

Professional market making is best understood as a distributed, real-time control system operating across exchanges that were never designed as one coherent network. Every venue has its own matching engine, message format, rate limits, clock behavior, and failure modes. Prices move continuously, inventory changes with every fill, and quoting decisions have to…