[Bitcoin-development] Consensus-enforced transaction replacement via sequence numbers

Rusty Russell rusty at rustcorp.com.au
Wed Jun 10 02:40:38 UTC 2015


Tier Nolan <tier.nolan at gmail.com> writes:
> What are the use cases for relative lock time verify?  I have 1 and I think
> that is the kind of thing it is useful for.
>
> I think that most cases are just to guarantee that the other party has a
> chance to react.  This means that 8191 blocks should be more than enough
> (and most would set it lower).
>
> For long term, the absolute version is just as good.  That depends on use
> cases.  "You can't take step 4 until 3 months after step 3 has completed"
> doesn't seem useful.

Lightning channels want them exactly like this to revoke old
transactions, which could be ancient on long-lived channels.

Cheers,
Rusty.




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