>but not in a firefox address bar.
replyThat is by design (on Firefox's part) to avoid someone registering e.g. steаmpowered.com (notice а as U+0430 instead of a as U+61) and running a scam that looks valid on the address bar.
Yes absolutely to avoid phishing sites with idn homograph, homoglyph attacks. Personally I'd like to see the punycode first then the emoji
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