From ZmnSCPxj at protonmail.com  Mon Nov 12 00:39:56 2018
From: ZmnSCPxj at protonmail.com (ZmnSCPxj)
Date: Mon, 12 Nov 2018 00:39:56 +0000
Subject: [Lightning-dev] Walletless channel opens
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Good morning Dave,


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??????? Original Message ???????
On Sunday, November 11, 2018 7:10 AM, David A. Harding <dave at dtrt.org> wrote:

> On Wed, Nov 07, 2018 at 10:30:12PM +0000, ZmnSCPxj via Lightning-dev wrote:
>
> > However, SIGHASH_NOINPUT would allow Lightning implementations to be "walletless".
>
> Maybe I'm misunderstanding, but wouldn't this require comitting to the
> transaction fees for the various delayed-broadcast transactions (e.g.
> the Eltoo trigger transaction) because, without a wallet, you can't RBF
> additional fees by adding additional inputs?

This is quite correct.
I suppose, what we should consider instead, is better ways to integrate onchain wallets with protocols that delay between signing and broadcast.

Regards,
ZmnSCPxj