Joseph Poon [ARCHIVE] on Nostr: 📅 Original date posted:2016-08-12 📝 Original message: Hi Rusty, Yeah, ...

📅 Original date posted:2016-08-12
📝 Original message:
Hi Rusty,

Yeah, interesting thoughts!

On Fri, Aug 12, 2016 at 01:17:52PM +0930, Rusty Russell wrote:
> I still don't understand why use an HMAC-of-tx instead of just the txid?
> What does it gain?

I'm presuming you need to index by txid to see if there needs to be a
penalty transaction broadcast, so you can't use that as a secret key.

--
Joseph Poon