<oembed><type>rich</type><version>1.0</version><author_name>npub136r0c946pguuzps5eu3tv47jh5pyfxvmty9wt7prgj3krm2py8eqwpj3wf</author_name><author_url>https://nostr.ae/npub136r0c946pguuzps5eu3tv47jh5pyfxvmty9wt7prgj3krm2py8eqwpj3wf</author_url><provider_name>njump</provider_name><provider_url>https://nostr.ae</provider_url><html>📅 Original date posted:2015-02-10&#xA;📝 Original message:Why would anyone want to do anything about payment before choosing&#xA;what he wants to buy and for what price? I&#39;ve never used Amazon but&#xA;isn&#39;t filling a form with shipping information enough?&#xA;&#xA;2015-02-10 11:21 GMT+01:00 Natanael &lt;natanael.l at gmail.com&gt;:&#xA;&gt; BIP70 is a protocol for getting a user&#39;s wallet client communicate with a&#xA;&gt; merchant&#39;s server in order to agree on details like where to send the&#xA;&gt; payment, how much to send, what the shipping address is, sending a receipt&#xA;&gt; back, and much more using various extensions that adds more functionality.&#xA;&gt;&#xA;&gt; There could even be advanced functionality for automatically negotiating&#xA;&gt; terms. One example could be selecting a multisignature arbitrator both sides&#xA;&gt; trust. Another could be to agree on the speed and type of delivery. Many&#xA;&gt; more types of decisions could be automatically agreed upon.&#xA;&gt;&#xA;&gt; But as it is now, it is designed to be initiated at the time of payment. If&#xA;&gt; you always want next-day delivery from online stores then you won&#39;t always&#xA;&gt; know if that&#39;s an option until you&#39;ve filled the digital basket and gone&#xA;&gt; through checkout. If you only want to shop with an arbitrator involved same&#xA;&gt; thing applies.&#xA;&gt;&#xA;&gt; Everything that BIP70 enables happens at the last step only, as it is right&#xA;&gt; now.&#xA;&gt;&#xA;&gt; If there could be a BIP70 HTML tag on web shops that automatically triggered&#xA;&gt; your wallet as soon as you visit the page, it would be possible for a&#xA;&gt; browser extension that talks to your wallet to tell you right away if the&#xA;&gt; web shop you&#39;re currently looking at has terms you consider acceptable or&#xA;&gt; not (note: if your wallet client isn&#39;t installed on or linked to that same&#xA;&gt; machine, a visible Qr code would be an acceptable alternative which you can&#xA;&gt; scan in advance before you start shopping). This notification can even be&#xA;&gt; automatically updated as you add and remove things from your cart and&#xA;&gt; details like shipping options change.&#xA;&gt;&#xA;&gt; This would massively simplify the shipping experience and make every web&#xA;&gt; shop feel like Amazon.&#xA;&gt;&#xA;&gt; Of course this has privacy implications and increases exposure to potential&#xA;&gt; wallet exploits, but the wallet can ask you if you intend to shop or not at&#xA;&gt; each site before it even connects and send any information at all in order&#xA;&gt; to mitigate both of those problems. This way it should be reasonably safe.&#xA;&gt;&#xA;&gt; Another option would be to automatically connect but limit what data is sent&#xA;&gt; in order to remain privacy preserving, until the user agrees to send private&#xA;&gt; information.&#xA;&gt;&#xA;&gt; This second method would also open up for the merchant to other send&#xA;&gt; relevant information such as details about various certifications from third&#xA;&gt; parties, which can include a certification that shows they have been been&#xA;&gt; audited and approved by by entity X for purpose Y. If your wallet has that&#xA;&gt; entity whitelisted it will show you that certificate (for example &#34;Acme&#xA;&gt; Audits have audited and approves of Merchant M&#39;s privacy policy and data&#xA;&gt; protection&#34;). With a list of predefined types of certifications that the&#xA;&gt; wallet understand and accepts, it could (by choice of the user) require a&#xA;&gt; certificate to be present to even allow you to make a purchase (lack of&#xA;&gt; required certifications would result in automatic denial). No certificate =&#xA;&gt; your wallet never proceed to send private information.&#xA;&gt;&#xA;&gt; Thoughts?&#xA;&gt;&#xA;&gt; - Sent from my tablet&#xA;&gt;&#xA;&gt;&#xA;&gt; ------------------------------------------------------------------------------&#xA;&gt; Dive into the World of Parallel Programming. The Go Parallel Website,&#xA;&gt; sponsored by Intel and developed in partnership with Slashdot Media, is your&#xA;&gt; hub for all things parallel software development, from weekly thought&#xA;&gt; leadership blogs to news, videos, case studies, tutorials and more. Take a&#xA;&gt; look and join the conversation now. http://goparallel.sourceforge.net/&#xA;&gt; _______________________________________________&#xA;&gt; Bitcoin-development mailing list&#xA;&gt; Bitcoin-development at lists.sourceforge.net&#xA;&gt; https://lists.sourceforge.net/lists/listinfo/bitcoin-development&#xA;&gt;</html></oembed>