[Bitcoin-development] Standardizing automatic pre-negotiation of transaction terms with BIP70? (Emulating Amazon one-click purchase at all merchants)

MⒶrtin HⒶboⓋštiak martin.habovstiak at gmail.com
Tue Feb 10 11:21:20 UTC 2015

2015-02-10 12:12 GMT+01:00 Natanael <natanael.l at gmail.com>:
> Den 10 feb 2015 11:48 skrev "MⒶrtin HⒶboⓋštiak"
> <martin.habovstiak at gmail.com>:
>> I still don't understand. The website can have this information
>> available. This is exactly what e-bay does - it displays shipping
>> information to my country before I do anything. What's the problem?
>> Also with other stuff, website can do it and browser extension can do
>> it too without messing with Bitcoin.
> 1: IP isn't guaranteed to work correctly both because you might be using a
> VPN out Tor.

Still possible using web browser extension.
> 2: Yes, the site can display all options right away, but are you willing to
> read all of them too?

Why not? And again, browser extension can do it without bitcoin wallet
- no need to connect unrelated things.
> 3: Detailed information is not necessary, nor does it have to be unprompted.
> It doesn't need to tell you more than which country you are in. It can even
> prompt you with a popup that has a slider that shows exactly how much
> information and of what kind you're about to share (including none, if
> that's your choice).
> 4: It doesn't need to share raw data. Take a look at anonymous credentials:
> http://www.zurich.ibm.com/idemix/
> https://eprint.iacr.org/2013/622.pdf
> 5: It can wait for prompting until you add the first item to the cart.

Everything you described is possible without Bitcoin involved - why
would we mix unrelated things?

P.S.: I believe in Unix philosophy. ;)

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