Re: [Bitcoin-development] Payment Protocol: BIP 70, 71, 72

[Andreas Schildbach <andreas@schildbach.de>]

While it's good to save space, I'm at the moment not convinced that
taking a de-route via an URL is a good idea to begin with.

The main problem is trust. If you scan a QR code from a foreign phone,
you trust that that phone is owned by the one you want to send money to.
By adding the HTTP request that trust is voided.

As soon as there is a BIP70 implementation, I will begin playing with
putting the payment request directly into the QR code.


On 09/25/2013 11:27 AM, Mike Hearn wrote:
> We could also say that if protocol part (https://) is missing, it's
> implied automatically. So just:
> 
> bitcoin:1abc........?r=bob.com/r/aZgR <http://bob.com/r/aZgR>
> 
> I think that's about as small as possible without re-using the pubkey as
> a token in the url.
> 
> 
> On Wed, Sep 25, 2013 at 1:35 AM, Gavin Andresen <gavinandresen@gmail.com
> <mailto:gavinandresen@gmail.com>> wrote:
> 
>     On Tue, Sep 24, 2013 at 11:52 PM, Mike Hearn <mike@plan99.net
>     <mailto:mike@plan99.net>> wrote:
> 
>         BTW, on the "make qrcodes more scannable" front -- is it too
>         late to change BIP 72 so the new param is just "r" instead of
>         "request"? Every byte helps when it comes to qrcodes ...
> 
> 
>     Not too late, assuming there are no objections. Smaller QR codes is
>     a very good reason to change it.
>      
>     -- 
>     --
>     Gavin Andresen
> 
> 
> 
> 
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