Fwd: Introduction, plus: Open Transactions -- digital cash library
Ian G
iang at systemics.com
Wed Jul 28 23:18:25 PDT 2010
Hi Bob,
On 28/07/10 9:08 PM, R.A. Hettinga wrote:
> Anyone out there with a coding.clue wanna poke inside this thing and see if it's an actual bearer certificate -- and not yet another book-entry -- transaction system?
Sorry to get your hopes up ... Just reading the words below not the
code: it is basically modelled on the SOX/Ricardo concepts, AFAICS.
As you know, the SOX concept used (PGP) keys to make an account with the
server/issuer Ivan, or a long term persistent relationship, call them
Alice and Bob. DigiCash also had something like this too, it's
essential for application robustness.
The simplest payments metaphor then is a signed instruction to transfer
from Alice to Bob, which Ivan follows by issuing a signed receipt. What
you'd call double entry, but in Ricardo is distinct enough to deserve
the monika triple-entry (not triple-signed, that is something different,
another possible innovation).
Then, the blinding formula/transaction is simply a replacement for the
standard payments tranaction above: Alice withdraws a coin from Ivan,
sends it to Bob, who deposits it with Ivan.
(Ricardo had Wagner too from around 2001, and like this author, had a
path to add Chaum, with future extension to Brands. The code for Chaum
was mostly written, but wasn't factored correctly...)
Another possible clue: the author has obviously taken on board the
lessons of the Ricardian Contract form, and put that in there (albeit in
XML). I find that very encouraging, even the guys from DigiCash never
understood that one! So I'm guessing that they have studied their stuff.
BTW, FTR, I do not know who this is.
> Cheers,
> RAH
> Who sees lucre down there in the mousetype and takes heart...
Lucre was 1-2k lines. Ones heart beats blood into thin air until there
is another 1-2 orders of body parts built on... This is looking much
more like that 1-2 orders of magnitude down the track.
iang
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