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Slightly ironically the TLS is broken on that nfcring website.

Yeah. I ... had to edit the URL, as I'm used to specifying https rather than http these days.

There are a few other flags raised about that particular implementation, though the concept itself is the key point. The idea of a signet ring to authenticate, sign, access, pay, claim, and/or decrypt seems useful.

You’re not alone - I do that every time I copy or share a URL too, it’s a good habit to get people into and sites that fail to provide working HTTPS don’t really have an excuse these days.

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