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Author Topic: ZeroCash: 2nd gen with anonymization starting from the coinbase transaction  (Read 11243 times)
tacotime
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January 19, 2014, 09:02:00 PM
 #1

Not a lot is known about this, as M. Green has been keeping very quiet.  The most I know is from these slides.

The transcript from the presentation is here: http://pastebin.com/raw.php?i=q3rgh5ZY

Fun facts:
- ZRC uses Succinct Non-interactive ARguments of Knowledge (SNARKs) for proofs, which are only 288 bytes in size for 128-bits of security
- Tradeoff is the time it takes to generate proofs for splits/merges (measured in minutes)
- Verification of proofs in milliseconds
- Release date: May 2014

Code:
XMR: 44GBHzv6ZyQdJkjqZje6KLZ3xSyN1hBSFAnLP6EAqJtCRVzMzZmeXTC2AHKDS9aEDTRKmo6a6o9r9j86pYfhCWDkKjbtcns
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MsCollec
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January 24, 2014, 04:31:05 AM
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I checked their website and this was posted 'We will be updating this site soon to include details of our new version described by Matt Green at Real World Crypto 2014".
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February 08, 2014, 12:11:19 AM
 #3

looking forward to this coin!

...if this post was helpful, i appreciate your donation.BTC: 14FsFhgMyFztgnbCuNAnh3ubPhoY1jGu3b RDD: Raz5zgyvDHcUC9s1KBBxHuuM3Q9etu43oA
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February 20, 2014, 02:35:17 PM
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Looks interesting.
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February 22, 2014, 12:49:04 AM
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i'd really like to know more since i am preparing a talk on this general topic. the video is now set to "private" on youtube.
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March 25, 2014, 01:56:45 PM
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Subbed.
chuxiongtq
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March 25, 2014, 02:37:56 PM
 #7

very looking forward to this coin !!
tacotime
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March 25, 2014, 02:39:59 PM
 #8

i'd really like to know more since i am preparing a talk on this general topic. the video is now set to "private" on youtube.

It's because the publication of the paper is forthcoming and the source code is proprietary.

http://www.scipr-lab.org/pub

(if it comes back online)


Code:
XMR: 44GBHzv6ZyQdJkjqZje6KLZ3xSyN1hBSFAnLP6EAqJtCRVzMzZmeXTC2AHKDS9aEDTRKmo6a6o9r9j86pYfhCWDkKjbtcns
sniveling
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March 25, 2014, 02:42:11 PM
 #9

Judging by the success of darkcoin we will see more anonymity features in new coins.

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March 25, 2014, 02:45:34 PM
 #10

I like coins that focus on anonymity for sure, I think it will be something like this that could possibly overtake Bitcoin because Bitcoin definitely isn't anonymous.
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March 25, 2014, 02:53:45 PM
 #11

Judging by the success of darkcoin we will see more anonymity features in new coins.

DarkCoin's CoinJoin is more a privacy feature, not true anonymity as provided by the use of ZKPs.

Code:
XMR: 44GBHzv6ZyQdJkjqZje6KLZ3xSyN1hBSFAnLP6EAqJtCRVzMzZmeXTC2AHKDS9aEDTRKmo6a6o9r9j86pYfhCWDkKjbtcns
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March 25, 2014, 04:30:10 PM
 #12

Judging by the success of darkcoin we will see more anonymity features in new coins.

DarkCoin's CoinJoin is more a privacy feature, not true anonymity as provided by the use of ZKPs.

Just wait for Darksend Smiley
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March 25, 2014, 08:48:29 PM
 #13

I'm also one of those who can't wait for zerocash.

I expect massive adoption by sites like silk road 2.0 and such. I expect several states declaring it illegal. And of course I expect its value to heavily rise in the middle of war with governments and other negative-hype-raising events.

It'll be grand, my friends.

We went through a period where it was briefly tough and now there are 1400 new billionaires in the world - maybe some capital was misallocated... --Kyle Bass
tacotime
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March 26, 2014, 02:57:01 PM
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I'm also one of those who can't wait for zerocash.

I expect massive adoption by sites like silk road 2.0 and such. I expect several states declaring it illegal. And of course I expect its value to heavily rise in the middle of war with governments and other negative-hype-raising events.

It'll be grand, my friends.

In the video Dr. Green urged everyone to be cautious about the adoption of the currency -- there's one pitfall if I understand correctly, and that is that since everything is obscured (even the generation of new coins via block subsidy), you can't observe actual inflation in the currency (just try to predict it based on the programming of the source code).  That is, if there were a bug and someone were to generate 2 billion coins (as what happened with Bitcoin), there's no real way to observe that.

Code:
XMR: 44GBHzv6ZyQdJkjqZje6KLZ3xSyN1hBSFAnLP6EAqJtCRVzMzZmeXTC2AHKDS9aEDTRKmo6a6o9r9j86pYfhCWDkKjbtcns
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March 26, 2014, 03:07:50 PM
 #15

It seems it is really something new!
Can u help introduce more on this project?
Or where can I get more info?

Very interested!

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ljp7839008
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March 26, 2014, 03:38:41 PM
 #16

need more info

tacotime
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March 26, 2014, 03:42:56 PM
 #17

It seems it is really something new!
Can u help introduce more on this project?
Or where can I get more info?

Very interested!

You'll have to attend the Oakland symposium.

Zerocash: Decentralized Anonymous Payments from Bitcoin   (to appear)
Eli Ben-Sasson, Alessandro Chiesa, Christina Garman, Matthew Green, Ian Miers, Eran Tromer, and Madars Virza
2014 IEEE Symposium on Security & Privacy (Oakland 2014)

http://www.ieee-security.org/TC/SP2014/

Code:
XMR: 44GBHzv6ZyQdJkjqZje6KLZ3xSyN1hBSFAnLP6EAqJtCRVzMzZmeXTC2AHKDS9aEDTRKmo6a6o9r9j86pYfhCWDkKjbtcns
iddo
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March 27, 2014, 09:35:49 AM
 #18

FYI there's a newer ZeroCash talk by Eli Ben-Sasson at:
https://www.youtube.com/watch?v=l7LSSE0bRRo
Note: I personally neither approve nor disapprove of anything said there.
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March 27, 2014, 10:57:12 AM
 #19

ZeroCash ETA?
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March 28, 2014, 03:39:26 PM
 #20

0,9 GB Public Key? WAAAAAT?
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