Re: Web Payments and voucher URIs

I'm encouraged by the feedback so far.

I think I can write up more detail on web based vouchers in a mini spec,
and would be happy to collaborate, if folks here have some input.

On Sun, 18 Aug 2019 at 17:01, Melvin Carvalho <>

> I have written a payment server that can use arbitrarily many
> authentication methods on the web.
> The outcome of that authentication is to return a verified URI.  You could
> think of it as a super set of WebID, DID, user addresses and so on.
> One thing I'd like to do is have a voucher system.  So the idea with a
> voucher is that it has a special code, say you email it to someone, or have
> a scratch card or something.
> Then when that code is shown the back end is able to let the user spend
> whatever balance it is for.  So it's a long the lines of a voucher, a
> shared secret or a one time password.
> This may be similar to a bearer token, im not sure, as Im not so familiar
> with those.
> My question in all this is, given that I need a URI that is linked to the
> voucher.  Is there something existing I can use.  Or, is there some
> sensible standard we can start experimenting with.
> The idea I had was to use the URI
> *urn:voucher:12345abcd ...*
> And if that appears in the request you know. the user can spend the
> voucher, and that allows me to build an app.
> Any thoughts, ideas or previous work that can be reused here?

Received on Tuesday, 20 August 2019 08:50:51 UTC