Yes, the public key is just attached to the outgoing messages and automatically imported by p≡p-capable software.
That's kind of a TOFU (Trust On First Use) approach, but you can verify trust by comparing the fingerprints, in p≡p by default represented as dictionary words in your natural language (somewhat similar to Signal). That's suitable for comparison by phone (=> quickly done).
That's kind of a TOFU (Trust On First Use) approach, but you can verify trust by comparing the fingerprints, in p≡p by default represented as dictionary words in your natural language (somewhat similar to Signal). That's suitable for comparison by phone (=> quickly done).