Multiplication is used in ECDH.
You have private keys a and b, and public keys aG and bG. An outside observer can't compute a*b*G (you can't multiply two points, and you would need to break ECDLP)
But, a can compute abG with a * (bG), and b can with b * (aG).
semisol
npub122…cgrkj
2026-05-28 12:41:26 UTC
in reply to nevent1q…d6nz
Author Public Key
npub12262qa4uhw7u8gdwlgmntqtv7aye8vdcmvszkqwgs0zchel6mz7s6cgrkjPublished at
2026-05-28 12:41:26 UTCEvent JSON
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"content": "Multiplication is used in ECDH.\n\nYou have private keys a and b, and public keys aG and bG. An outside observer can't compute a*b*G (you can't multiply two points, and you would need to break ECDLP)\n\nBut, a can compute abG with a * (bG), and b can with b * (aG).",
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