DDD in Go applied to crypto exchange APIs

You write CQRS. You talk about aggregates. You emit domain events. But where do these concepts come from? Domain-Driven Design. Without understanding DDD, CQRS is just a pattern you copy-paste and hope it holds. With DDD, it becomes a tool you use consciously, for the right reasons. This article lays the conceptual foundations. The concrete terrain: a Go service consuming APIs from multiple crypto exchanges (Binance, OKEx, Coinbase). Because an Order in trading is something any trader understand