I think it’s funny when other countries do it, but I do cringe everytime I see Dutchposting. I feel like this is just a thing you have about your country.

I would encourage rolling your own crypto for fun, because, well, it is. But yeah, you should maybe also make clear that people should not use it, because that is rule 1 of cryptography.

I am quite sure I have seen this image long before image generating AI was able to generate anything like this, so, unfortunately for you, I believe this is in fact real.