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[Taler] Taler minimal infrastructure?


From: os . phoenix
Subject: [Taler] Taler minimal infrastructure?
Date: Sun, 13 Aug 2023 15:20:52 +0000

Hello,

what's min infrastructure to have the simplest Taler payment system? Like with a "private" own alternative "currency" (closed user group), sandbox infrastructure.
Or like the example: snack machine (Bern University of Applied Sciences BFH)?
https://media.ccc.de/v/36c3-oio-186-buying-snacks-via-nfc-with-gnu-taler

"Core-Komponenten"
- Taler Cashier
- Taler Wallet
- Taler Merchant API
- Taler Merchant POS
- Taler Merchant Backend Operator
- Taler Backoffice (404 Not Found, both web & PDF)
- Taler Bank (404 Not Found, both web & PDF)
https://taler.net/en/docs.html

Under:
GNU Taler Documentation: https://docs.taler.net/taler-user-guide.html#introduction
2.1.1. About GNU Taler

  1. "This guide explains various ways how users can interact with a GNU Taler installation.
  2.  It assumes that a bank, exchange and merchant backend are running and that the user has a GNU Taler wallet installed is able to create an account at the bank. Some operations also require access to the merchant backend."

A)
Is it right, at least it needs:

  1. Taler wallet (User to user. User act also like "merchants" to each other?)
  2. Taler Cashier
Can we say, the snack machine acts also as "user". (FAQ: "Taler supports push and pull payments between wallets (also known as peer-to-peer payments)")
img3

img4

So people (users) could exchange e.g. EUR into digital cash Taler and trade with each other in "Taler"?
The exchange would need to have all the rules implemented, right?

B)
Or it needs at least also a Merchant, or Exchange?

  1. Taler wallet (users)
  2. Merchant
  3. Exchange
img2


C)
To transfer e.g. EUR, one would need a "(EMI) E-Money Institution license" (EU Directive 2015/2366), right?

Thanks

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