yes and its super easy to just create random valid qr codes:
https://wolf128058.gitlab.io/schmudo2go/
also they don't have any rate limit on the sms service...
so anybody can build a loop and call the sms endpoint...
More fails:
- https://github.com/mame82/misc/blob/master/luca_traceIds.md
- development private and public key in the repo ( not harmful but a bad sign)
- more that i forgot