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Re: [Taler] Hello

From: Joerg Baach
Subject: Re: [Taler] Hello
Date: Mon, 5 Dec 2016 17:45:35 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1


> mailinglist with many members, and not an alias for me ;-).

Of course, but as I was replying to your mail I tried to be polite and
address your directly.

> I just today gave a presentation with a very visual representation of
> the protocol, that might also help:
> http://grothoff.org/christian/symsec2016.pdf

Thanks a lot for that!

>> unusual reminder of the coin provide at least hints to trace the
>> transaction?
> No, as the refresh will convert the unusual reminder into many small
> coins of more canonical denominations, i.e. if the reminder is 3.1415,

But the issuer/exchange would still get some information, e.g. if the
merchant deposited a value of 6.8584, and somebody shows up wanting to
refresh 3.1415, these two participants are somewhat likely to have
participated in the same transaction. I know, TOR might help.

> behalf.  Also, in the ordinary course of the protocol, the merchant
> should sign a response saying that he received the payment "in good
> order", which further shortcuts any discussions about the validity.

Ok, so is it the customers responsibilty to find a way to link the
merchants key to the legal entity of the merchant, or is it the exchange
who signed the merchants key?

Thanks again,


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