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

[Melvin Carvalho <melvincarvalho@gmail.com>]

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On 25 September 2013 13:15, Mike Hearn <mike@plan99.net> wrote:

> It won't fit. But I don't see the logic. A URI contains instructions for
> making a payment. If that instruction is "pay to this address" or "download
> this file and do what you find there", it's no different unless there's
> potential for a MITM attack. If the request URL is HTTPS or a secured
> Bluetooth connection then there's no such possibility.
>

It depends on the attacker.  I think a large entity such as a govt or big
to medium size corporation *may* be able to MITM https, of course the
incentive to do so is probably not there ...


>
>
>
>
> On Wed, Sep 25, 2013 at 12:28 PM, Andreas Schildbach <
> andreas@schildbach.de> wrote:
>
>> 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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