The Signing Schemes, and the Adaptive Atack

There's been verys work on signatures. And the signature schemes can be based on really quite general isogony problems. So, yes, this is backter h suspected how beautiful def helman is, right? Difficult. A is the most beautiful thing. Yes? Alice can publish ta to the a, and bob can publish tea to the b. But, you know, these can be public keys or something y. You can get this, you can get this,. non attractive and key exchangeand what you want is isogety versions of that. Yeit was not, it was not very nice. Ok. I don't if thomas has any questions about this.