[Bitcoin-development] Atomic coin swapping?

[Jeff Garzik]

On Sat, Sep 22, 2012 at 5:10 AM, Jorge Timón <timon.elviejo at gmail.com> wrote:
> I'm very interested in this. I was expecting transitive/multi-hop
> transactions (Ripple) with colored coins, and I don't understand why
> is not possible.
>
> From https://en.bitcoin.it/wiki/Contracts
>
> ---
> SIGHASH_ALL: This is the default. It indicates that everything about

Yes, SIGHASH_ALL was the crucial piece I was missing.

I have updated the post to add a concrete example with as much detail
as necessary for programmers to recreate.  Review requested:
https://bitcointalk.org/index.php?topic=112007.msg1212356#msg1212356

-- 
Jeff Garzik
exMULTI, Inc.
jgarzik at exmulti.com