Blog
Notes on matching, money and the engineering behind a small exchange.
How one buy order finds its sellers
Price-time priority, the price you actually pay, and where your reserved cash goes, worked through with one order.
Why we answer only after the commit
What "your order is confirmed" has to mean when the server can be killed at any moment.
Why Spacestocks is written in Go
We compared Go with Python, Node, Java, Rust and C#. Here is what decided it, and what Go costs us.