Event Sourcing is becoming more mainstream these days, and a lot of conferences have demonstrated the pros and cons of this artitecture style from multiple angles. I've done a few of these and publishes a lot of articles on best practices and solutions to common problems. But what nobody did was to show you how to build an event sourced systems in the .NET ecosystem. There are a lot of open-source projects that you can use, so you'll need to find a right mix and your own code to that. So let me show you how I would implement this in .NET with almost 10 years of Event Sourcing experience behind my belt.