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This has me really curious about the most obfuscated, ambiguous/difficult/problematic possible usernames both for security/privacy and interesting anomalies in general.
Feel like one could make a whole book on this -- please send any resources that could shed insight if possible
I wonder if you can break copy-paste by mixing in similar looking characters from a right-to-left language.
Actually a security concern for the web: IDN homograph attack
Iirc this was also an issue for hacks on the computer as well. Something about naming it pdf but it was actually an exe because they used right to left. Something like that