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Re: [Taler] age-restriction is about coins, not currencies

From: Christian Grothoff
Subject: Re: [Taler] age-restriction is about coins, not currencies
Date: Fri, 10 Sep 2021 23:33:21 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0

On 09.09.21 23:48, Jacob Bachmeyer wrote:
> Schanzenbach, Martin wrote:
>> As proposed in another mail by Jacob another option is to enforce
>> restrictions in the wallet/client only on a per service basis (a
>> whitelist I would assume) or on a restricted good basis (difficult,
>> requires definition and harmonization of "goods").
> The credit card industry has already standardized a system of merchant
> categories.  Perhaps a small addition to the Taler protocol would be
> needed for merchants to state their category code (or "unspecified" and
> the user assigns a category to the transaction) or each user could
> define their own budgetary categories.

Interesting. Do you have any pointer to that list of merchant
categories? I indeed think that might be a good thing to add to the
Taler contract specification.

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