[Bitcoin-development] Reusable payment codes

Justus Ranvier justusranvier at riseup.net
Wed Apr 29 23:44:15 UTC 2015


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On 04/27/2015 02:53 PM, Brian Deery wrote:

> 1. There will be a 1:1 relationship between a payment code owner
> and their identity.  Presumably the payment code would be strongly
> and publicly tied to the identity.  This makes the notification
> address strongly tied to the user.  An SPV client connecting to a
> full node who has a list of notification address can tie an
> identity to a bloom filter and connecting IP.

I've updated the proposal to provide for alternate methods of
notification that can be used *in addition to* notification transactions.

This frees the sender from constantly monitoring an address known to
be associated with their identity, although they should check it
periodically since not all senders will be capable of using every type
of alternate notification method.

I defined a Bitmessage notification method as an example; more can be
added if required.

https://github.com/justusranvier/rfc/blob/payment_code/bips/bip-pc01.mediawiki
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