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Re: [Taler] repurchase detection

From: Marcello Stanisci
Subject: Re: [Taler] repurchase detection
Date: Mon, 22 Feb 2016 11:59:21 +0100
User-agent: Mutt/1.5.23 (2014-03-12)

> If it's just the correlation ID, what if it clashes for two merchants?
> Should we use the hostname of the fulfillment URL?  The hostname of the
> site that offered the contract (with taler-confirm-contract) in the
> first place?  What if the merchant's hostname changes?

There is also a field in the contract that encompasses the triple
(address, name, jurisdiction) associated with a merchant. This value
is less likely to change than keys and hostnames, and should not make
any clash happen. So just use its hash?

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