Good morning Rusty, aj, and list,


> > -   channel announcements: do you support secp256k1 for hashes or just
> >     sha256?
> >
>
> Worse, it becomes "I support secp256k1 with ECDSA" then a new "I support
> secp256k1 with Schnorr". You need a continuous path of channels with
> the same feature.
>

I believe not?  Both the 2p-ECDSA and Schnorr contingent payment schemes 
effectively encode "I will pay you N satoshi if you give me the private key of 
the public key P on the secp256k1 curve, before time B", which can be composed 
with another contingent payment of either 2p-ECDSA or Schnorr.  So it would be 
possible to have a route with channels alternating between the two schemes.

Or do I misunderstand some detail?

Regards,
ZmnSCPxj
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