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I would like to model a blockchain in UML. Here are the requirements that I came up with:

  • User can transfer money
  • Money can be transferred from a bank account to a digital wallet
  • Money can be transferred from a digital wallet to a bank account
  • Money can be transferred to a user (from the contact list)
  • User can consult the balance of his portfolio

Here my UML class diagram:

enter image description here

Since I am new to the blockchain technology, I would like to know: is this diagram correct? Did I miss something?

Christophe
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  • Sorry, but that's not readable. – qwerty_so Jan 03 '20 at 12:41
  • Hi Serge and welcome. Your question is interesting and we would like to help. Unfortunately, the diagram is not fully readable: I could read Owner, Context, User, Money, Wallet, but not the las class, nor the association labels, nor the cardinality. Could you please take a more precise photo, make a bigger schema, or better model using some digital tool (if needed online, such as for example http://www.umlet.com/umletino/umletino.html ) – Christophe Jan 05 '20 at 18:00
  • sorry I am not in a position to make the diagram on a software, therefore I redid a screenshot. Thanks for your help. click on the next http link [enter image description here][1] [1]: https://i.stack.imgur.com/prTdi.jpg –  Jan 06 '20 at 05:29

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