this post was submitted on 02 May 2025
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I looked at Wikipedia; Taler then Blind signature, then looked for docs on GNU Taler where I didn't immediately find any technical overview of how that works. Phind gave me a seemingly reasonable and understandable answer. (Surely sourced from somewhere.)
The magic is that you can
and the signature remains valid.
It does sound like magic. But isn't most of cryptography like that?
There's a python example in there as well, with such a calculation. I didn't go through it though.