This episode of Signals & Threads discusses a system (an exchange for OTC securities) which is both event sourced and which has constraints. It works in the sam

This episode of Signals & Threads discusses a system (an exchange for OTC securities) which is both event sourced and which has constraints. It works in the same way you've described modulo some implementation details. https://signalsandthreads.com/state-machine-replication-and-why-you-should-care/ https://signalsandthreads.com/state-machine-replication-and-... Most of us are never going to work with a system with the scale and SLA to necessitate this approach, but it's an enjoyable interview nonetheless.