[olalonde]

Yes, event sourcing is just a loosely defined pattern. It does make tamper proofing a bit easier due to its log like nature. I know some systems do use physically "append-only" storage.

[GordonS]

Do you have any more info on these RO storage systems? What springs to mind is... tape?!

[antonvs]

There's some info here:

https://en.wikipedia.org/wiki/Write_once_read_many#Current_W...