> Pieter, Matt and I also agreed that for maximum impact we should really
> try to ship payment protocol support in at least two clients simultaneously
> and ideally with a big merchant signed up too - to send a powerful message
> that we really mean it. Someone volunteered last week to do it for bitcoinj
> and if he doesn't pull through, I have some old code from EOY 2012 that I
> could update to the latest spec and ship at least some basic support. I'd
> hope that we can get Bitcoin Wallet or MultiBit updates out once bcj has
> support pretty fast.
>

We're planning to support payment protocol in Trezor as well, if it counts.
I think it's a missing piece in absolute security of hardware wallets.

slush