It's since stabilised. It was 27ZiG:1USD in Oct. 2024, and 26.36ZiG:1USD in Nov. 2025. It'll be fine for the time being. It's not great, given the largest banknote available is 20ZiG or about 75 cents, but it's better than your money losing half its value every day.
"In the first year after its introduction, the ZiG lost half of its value."
Yeah, so not backed by gold or anything else.