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Author Topic: [ANN] Zcoin (XZC) - Implementing Zerocoin technology for financial privacy  (Read 528905 times)
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Burmik123
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August 25, 2017, 04:35:38 PM
 #4761

Some development updates:

Poramin has just pushed in our private repo the fixes needed to implement the Zerocoin improvements and fixes.
Tim Ruffing has pushed the the fixes on libzerocoin as well.
Tim is now looking through Poramin's code to ensure it works as intended and Aizensou and SN are working to integrate the Zerocoin improvements into the new core upgrade 0.13.

There will be an academic paper published as well to detail these fixes so that other Zerocoin implementations (if there are any other original implementations) can fix them independently and contribute to Zerocoin research.

Our new Zerocoin code will be open sourced in due time but may not be done immediately.

We are still weighing our options here as a lot of hard work and resources was put into this and all these fixes are backend which are not quite visible to the user but are important to improving the Zerocoin protocol and its security.
Thanks for good work. But i have missed a lot since April and have question. As i know, here were some rumors about Z-nodes. Any news?

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August 25, 2017, 07:25:33 PM
 #4762

Some development updates:

Poramin has just pushed in our private repo the fixes needed to implement the Zerocoin improvements and fixes.
Tim Ruffing has pushed the the fixes on libzerocoin as well.
Tim is now looking through Poramin's code to ensure it works as intended and Aizensou and SN are working to integrate the Zerocoin improvements into the new core upgrade 0.13.

There will be an academic paper published as well to detail these fixes so that other Zerocoin implementations (if there are any other original implementations) can fix them independently and contribute to Zerocoin research.

Our new Zerocoin code will be open sourced in due time but may not be done immediately.

We are still weighing our options here as a lot of hard work and resources was put into this and all these fixes are backend which are not quite visible to the user but are important to improving the Zerocoin protocol and its security.

As for open sourcing it, what is the time frame we are discussing here? Is it possible that you keep it secret for several more months? In the end, you have to open source it anyway. You can't run an anonymous crypto on a large scale. Why would anyone trust this if there are enough open source alternatives?
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August 25, 2017, 10:13:11 PM
 #4763

Some development updates:

Poramin has just pushed in our private repo the fixes needed to implement the Zerocoin improvements and fixes.
Tim Ruffing has pushed the the fixes on libzerocoin as well.
Tim is now looking through Poramin's code to ensure it works as intended and Aizensou and SN are working to integrate the Zerocoin improvements into the new core upgrade 0.13.

There will be an academic paper published as well to detail these fixes so that other Zerocoin implementations (if there are any other original implementations) can fix them independently and contribute to Zerocoin research.

Our new Zerocoin code will be open sourced in due time but may not be done immediately.

We are still weighing our options here as a lot of hard work and resources was put into this and all these fixes are backend which are not quite visible to the user but are important to improving the Zerocoin protocol and its security.

No Open Source ?

Can you expand on this , it's too serious to be mentioned lightly
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August 26, 2017, 02:05:12 PM
 #4764

how many Zcoins do I recieve when I closed a Block ?
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August 26, 2017, 05:38:00 PM
 #4765

Some development updates:

Poramin has just pushed in our private repo the fixes needed to implement the Zerocoin improvements and fixes.
Tim Ruffing has pushed the the fixes on libzerocoin as well.
Tim is now looking through Poramin's code to ensure it works as intended and Aizensou and SN are working to integrate the Zerocoin improvements into the new core upgrade 0.13.

There will be an academic paper published as well to detail these fixes so that other Zerocoin implementations (if there are any other original implementations) can fix them independently and contribute to Zerocoin research.

Our new Zerocoin code will be open sourced in due time but may not be done immediately.

We are still weighing our options here as a lot of hard work and resources was put into this and all these fixes are backend which are not quite visible to the user but are important to improving the Zerocoin protocol and its security.

No Open Source ?

Can you expand on this , it's too serious to be mentioned lightly

There was some debate as to whether to allow other coins to immediately take advantage of the improvements we are making to Zerocoin and we know there are a quite a few coins out there just waiting for us to release this. Hence we were thinking maybe to delay the open sourcing by a few months and this would be balanced as the academic paper detailing these fixes would allow others to be aware of the issues and just not the code to immediately implement it. These type of steps aren't unprecedented as coins such as Dash initially closed source their Dark Send feature and NEM still has its NIS infrastructure remain closed source despite commitments to open source it.

However after discussion our team remains committed to open source and the changes we do to Zerocoin will be available when the new code goes live. We remember that without Bitcoin's open source and the researchers' work in coding the initial libzerocoin, there will be no Zcoin. So no need to worry about it, the releases we make will be all open sourced and subject to public audit/scrutiny.

Zcoin: Implementing Zerocoin technology for financial privacy
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August 26, 2017, 08:28:35 PM
 #4766

Very interesting article.

https://t.co/HCdAQEwCcu

Tnx for sharing.


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August 27, 2017, 12:28:30 AM
 #4767

I think the best 2 years after the gradual open source more appropriate, do not hastily open source. Because zcoin is now in the initial stage of development, zcoin is still very fragile. You should learn how nem handles open source
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August 27, 2017, 07:49:47 PM
 #4768

Looks like price is getting pumped again and for good reasons, time to start loading up while it's still cheap because once MTP is implemented the sky is the limit  Wink


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August 27, 2017, 10:34:13 PM
 #4769

i support you guys holding the Zerocoin changes implemented into Zcoin closed source for a while, in this day of open source coins getting constantly copy-katted, it seems logical to me. Zcoin investors deserve ZCOIN to get the positive eyes on them for the work they have done, others can do the work the same way, or wait for the commits to be posted to copy ;p
That gives Zcoin time for deserved market advantage for a bit atleast
Always, Forward! Smiley


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August 28, 2017, 12:06:33 AM
 #4770

Hi Devs, I would like to know if there is any chance that ZCOIN will be listed on Binance Exchange as the Chinese and South Korean Markets are producing large volumes. 

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August 28, 2017, 12:23:14 AM
 #4771

Hi Devs, I would like to know if there is any chance that ZCOIN will be listed on Binance Exchange as the Chinese and South Korean Markets are producing large volumes.  
more exchanges is only really good for us.


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August 28, 2017, 01:14:02 PM
 #4772

What's the procedure to unlock the wallet?

Does this coin stake if left online and unlocked?

I'm a dev for ROI coin and PWR coin. I'm a team member for IncaKoin. I'm a big fan of HOdl coin and cpu only solo mining!
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August 29, 2017, 05:45:05 AM
 #4773

Hi all. I mining some Zcoin. How much time need for Unconfirmed go to Confirmed?
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August 29, 2017, 09:30:20 AM
 #4774

24 hours
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August 29, 2017, 10:29:56 AM
 #4775

Any update? This coin is sitting in my wallet in the last 8 months. I need to  know this is been worked on otherwise..... Please dev what is the latest?


 
 
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August 29, 2017, 01:36:26 PM
 #4776

Has there been any discussion about how many ZCoin will be required to run a Znode?
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August 30, 2017, 03:41:37 AM
 #4777

Any update? This coin is sitting in my wallet in the last 8 months. I need to  know this is been worked on otherwise..... Please dev what is the latest?

https://twitter.com/zcoinofficial/status/902733399026044928

Cheesy

Core upgrade is still being tested to make sure it's ready for release.
The core upgrade is actually very big and addresses many of the complaints and user experience issues with Zcoin and greatly improves reliability, improves TOR support and a huge number of other things.
Remember Znodes REQUIRES the core upgrade.

Zerocoin and libzerocoin fixes/improvements coming soon too.

There's some background work we are doing on MTP. Basic CPUminer and Nvidia miners are done but still awaiting the final paper but we want to have all the basics ready to do the necessary modifications once the final paper from the MTP authors are out. We are hoping it won't be too drastic of a change and merely parameter adjustments.

Has there been any discussion about how many ZCoin will be required to run a Znode?

https://twitter.com/zcoinofficial/status/902726845535109120


Zcoin: Implementing Zerocoin technology for financial privacy
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August 30, 2017, 07:27:28 AM
 #4778

For a brief overview of how different privacy blockchain mechanisms stack up (including Zerocoin as used in Zcoin), read the post I made here:

https://steemit.com/zcoin/@zcoinofficial/an-overview-of-blockchain-privacy-mechanisms-and-how-zerocoin-in-zcoin-usdxzc-not-zcash-stacks-up

Zcoin: Implementing Zerocoin technology for financial privacy
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August 30, 2017, 09:23:37 PM
 #4779

If anyone wants to see how Zerocoin transactions look like on the blockchain:

Check out a sample mint transaction where 50 coins go into a blackhole.
http://explorer.zcoin.io/tx/b827e91bee75e4abae8590206b088f05f6b9c563dc56e5e71c42da9523ebcccd
https://chainz.cryptoid.info/xzc/tx.dws?b827e91bee75e4abae8590206b088f05f6b9c563dc56e5e71c42da9523ebcccd.htm

This is a sample spend transaction where 50 coins come out from the blackhole and have no linkage with its mint transaction or any history at all.
http://explorer.zcoin.io/tx/d75cd4bfae85bc278900eb4728f71eedea1dec2a16d3f18551dfcd43b413ac07
https://chainz.cryptoid.info/xzc/tx.dws?d75cd4bfae85bc278900eb4728f71eedea1dec2a16d3f18551dfcd43b413ac07.htm

The point is that the 50 coin from the Zerocoin spend transaction could have come from any of the people who minted 50 coins giving it very high anonymity.


So does this mean that the five 100 XZC transactions that I minted will enable others to also use that quantity of coins to mint/spend? And if so, will my coins that went through the mint and spend function get any confirmations then? Its been over 2 months now at zero confirmations, and I would like to know if there is any chance of them coming back/getting confirmations?

Thanks for your time.
Zerotosixty
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August 30, 2017, 10:34:58 PM
 #4780

Thanks for the update, zcoinofficial.
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