I read this and couldn’t help but think that this is just the shared secret pattern. was that the inspiration?
I'm not familiar with the term "shared secret pattern." The inspiration was bip47.
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I only know how it works in Gun. But basically, you generate a secret based upon one of the person’s keys. Then the other person can decrypt it with one of their other keys.
But in Gun, each user has 4 keys. pub, private, epub, epriv. The epub and epriv are used in the secrets.
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