TrueNAS new ZFS encryption and migrating from GELI

I’m in the process of migrating my data from the old GELI pool structure to the new ZFS encrypted pool. I was not able to find really good information on it initially, and the documentation seems to be rather poor. I’m guessing there are quite a few others out there trying to wrap their heads around this change as well. These are a couple of posts I’ve found helpful.