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by _8j50 3159 days ago
Identity based encryption.

https://en.wikipedia.org/wiki/ID-based_encryption

"Identity-based systems allow any party to generate a public key from a known identity value such as an ASCII string. A trusted third party, called the Private Key Generator (PKG), generates the corresponding private keys...."

I think it's innovative and a bit of "thinking outside the box". You do need to ultimately trust a 3rd party (same as in PKI or WOT I guess?).