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481  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [SDC] Shadow | [ ShadowChat | ShadowSend | ShadowGo ] | New iOS wallet ! on: September 10, 2014, 01:39:26 AM
27k
482  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [SDC] Shadow | [ ShadowChat | ShadowSend | ShadowGo ] | New iOS wallet ! on: September 09, 2014, 05:01:22 PM
Were back at 20k sats!
483  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [SDC] Shadow | [ ShadowChat | ShadowSend | ShadowGo ] | New iOS wallet ! on: September 09, 2014, 02:26:26 PM
Awesome buy support showing up!
484  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [SDC] Shadow | [ ShadowChat | ShadowSend | ShadowGo ] | New iOS wallet ! on: September 08, 2014, 12:57:25 PM
When is the IOS chat app available in the itunes store?

as soon as its approved by apple.
485  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [SDC] Shadow | [ ShadowChat | ShadowSend | ShadowGo ] | New iOS wallet ! on: September 08, 2014, 12:59:29 AM
Any update as to when the new Wallet will be released?  Huh

very soon
486  Alternate cryptocurrencies / Altcoin Discussion / Re: What are some good coins to invest right now for Christmas vacation money? on: September 06, 2014, 08:03:09 PM
SDC
487  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [SDC] Shadow | [ ShadowChat | ShadowSend | ShadowGo ] | New iOS wallet ! on: September 06, 2014, 04:21:22 PM
Dont forget our irc #shadowcoin on freenode, and http://shadowhangout.com for our forum. Most of the action takes place on there. and reddit http://reddit.com/r/shadowcash
488  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [SDC] Shadow | [ ShadowChat | ShadowSend | ShadowGo ] | New iOS wallet ! on: September 06, 2014, 08:27:42 AM
The primary factor in a financial or private commerce ecosystem is secure communication between parties.

Jamming chat, etc., in a wallet is a poor attempt to conflate different types of information exchange. In a true trustless and anonymous transaction protocol, the information is a shared secret between sender and receiver that allows the receiver to prove a transfer of ownership.

You may think to yourself that chat solves this problem. Namely, sender and receiver set up an encrypted channel and exchange the secret. That can work great, but you don't need zk proofs in this situation. zk proofs solve the problem of ever exchanging the secret in the first place. So you don't need chat. I.e. it's cryptographically irrelevant.

Chat also has the problem that the sender and receiver need direct communication to exchange the secret. That's horribly limiting: "Hey Ted, we need to exchange some money, when are you available to do that?" At some point, the conversation has to be initiated on the private channel. So sender and recipient have to meet and exchange a secret to meet up on the channel. It defers the problem and so you still haven't solved it. Again. Chat, etc. become irrelevant because of this need to establish the private channel.

Also, zk proofs are good to solve the problem of exchanging a secret because it eliminates the need of the exchange. But stealth addresses already do that. So why implement zk proofs to solve a problem already solved by the coin that you cloned from (vertcoin)?

Right now, for crypto, zk proofs have been promised for zerocoin (zk=zero knowledge). But zerocoin is being worked on by people (1) smart enough to conceive of it, (2) smart enough to provide a public blue print giving enough information for one to determine where the proof fits, and (3) smart enough to know that even with this blueprint, they are still going to beat anyone who tries to implement their idea.

Hence, my conclusion (for which I can find no contradictory evidence) is that the shadowcoin dev borrowed "zk-SNARK" from the zerocoin whitepaper in the hopes that they make a release and he can clone the technology into shadowcoin.

I have no doubt that the SDC dev can pull this off. My doubt lies completely in with the zerocoin team in that they have conceived of an idea that is impractical to implement and therefore impossible to clone because it will never exist.


A)
Vertcoin's stealth addresses are closed source.. Shadow authored ShadowSend's stealth code, it's own dual-key implementation not cloned from any coin. Unlinkable and untraceable are two separate things. Stealth Addresses help with unlinkablity (creation of addresses not linked to their main public key).

B)
Shadow isn't implementing zerocoin or zerocash, and I would hope that they(ZC devs) would be able to beat anyone trying to implement their idea (ZC). The underlying technology in zerocash is zk-SNARKs, this doesn't mean that Shadows devs are borrowing or cloning any of their code. Also, the current Zerocash blueprint isn't a final representation of their model, it dates back to May and Dec respectfully. zk-SNARKs was not invented by zerocash and has yet to be implemented into a cryptocurrency. Shadow's SNARKs implementation is it's own protocol. I initially thought coming into this project that it was a ZC implementation until Ryno corrected me in IRC and explained the differences in their method. That's when I got excited and started focusing this as my long-term crypto investment.

As for the reasoning behind zk-snarks and stealth addresses it is part of the ShadowSend protocol and you would need to speak with Ryno for a more detailed explanation of how they will be tied together.

C)
"Chat also has the problem that the sender and receiver need direct communication to exchange the secret. That's horribly limiting: "Hey Ted, we need to exchange some money, when are you available to do that?" At some point, the conversation has to be initiated on the private channel. So sender and recipient have to meet and exchange a secret to meet up on the channel. It defers the problem and so you still haven't solved it. Again. Chat, etc. become irrelevant because of this need to establish the private channel."

There has to be some medium of negotiations or communication outside of the actual transaction. Otherwise there would just be something like a smart contract binding both parties to the deal without there being a convo before hand or in the case of a crypto exchange where communication is irrelevant between buyer and sell.  The underlying concept of the ShadowChat is still the same: two addresses exchanging information. In a perfect world there wouldn't need to be a line of communication between parties, but unfortunately this isn't a perfect world and there is still an element of interaction in business relations i.e. shipping, transaction details, item questions, pseudo-invoicing, graphic design changes, etc. Negotiating a deal in a private room and exchanging information between two anonymous parties (ShadowChat) then using zk/sa to send funds(ShadowSend) leaves no trace of the transaction to outside parties, except the two involved. I wouldn't go so far as to say it's "irrelevant" because without a secure line of communication you rely solely on traditional means of communication: e-mail, chat, phone, forum posts.

This is the exact same concept that is applied on Craigslist, arguably the biggest grey (new and used items) and black market (stolen items, drugs, prostitution through code words which is a form of cryptography) on the net (also monitored the most), but in a more primitive manner. I have product A listed, you want to buy "A" from me. I list a method of contact: phone, e-mail, text. You use one of those lines of the communication to arrange the deal: time, price, date and location. The actual transaction is done with cash leaving no trace of the deal outside of the initial lines of communication or if the deal was under surveillance by the 3rd party.

In this sense you can look at ShadowChat is a method to replace those contact methods further reducing a potential man-in-the-middle attack. Leaving the actual transaction traceless (ShadowSend).

ShadowChat = Negotiations, Planning, Communication
ShadowSend = Exchange

D)

As far as "borrowing" the idea from ZC, almost all technology is borrowed from an originating source and credited. ZC (Ian Miers, Christina Garman, Matthew Green, Aviel D. Rubin) borrowed SNARKs from the original authors of the concept (http://www.iacr.org/cryptodb/archive/2011/CRYPTO/video/rump/1d53ee327ee49f4afdbac8ed3b013657.pdf). Shadow looked at ZC's proposal and thought of a better proposal completely different from ZC. It wouldn't be the first time that technology has been improved on by an outside source.

Feel free to hop on IRC devs are online pretty much 24/7 #shadowcoin

Well put, well put.
489  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [SDC] Shadow | [ ShadowChat | ShadowSend | ShadowGo ] | New iOS wallet ! on: September 05, 2014, 11:40:40 AM
I don't know.

And people wonder why they lose money in the altcoin markets.


 The dev hasn't released anything fully yet except what there is in the current client and all the papers are around the internets to prove their implementation.
you can find  all the links you need fist page of this thread  

Nothing gets released until its ready and done a concept you are failing to find all through this thread somehow! When the features you are speaking of are released you will be able to find information on them and how they are implemented but the source will be on a delayed released.

I hope this satisfys you! And before you say the team is hyping i just want you to understand that the community asks for things and we asked for a roadmap it is the community here hyping the new features. And i disagree we shouldn't be but people cant seem to control themselves and end up with people like you asking questions and looking awfully confused which then negates some of the genuine legitimacy and wisdom the dev team possess.

So please forgive some of this community for hyping things they really don't need to be hyping and i hope you can look past the bullshit and understand the process here..

Im sure you are smart and can work out that the team is to be trusted and has a record to prove it and no one is forcing you to do anything but keep and open mind and take a better look without applying all of the garbage you may come carrying in with you! You look like a smart person i'm sure you can work out the difference!

^and that is a well reasoned response and aptly describes the state of shadow. You can't blame some community members for getting excited about their coins, its almost like sport teams and their fans.

I'm in shadow because of the dev, and his consistent and proven track record of delivering on shadow. I have not been let down nor do i expect to be in the future.
490  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [SDC] Shadow | [ ShadowChat | ShadowSend | ShadowGo ] | New iOS wallet ! on: September 05, 2014, 03:13:59 AM
Does Shadowcoin have anything earth-shattering on the way like the recent stealthcoin announcement?

zksnarks isn't earth shattering? Encrypted video and calls? Litewallet. All things that coins have been asking for.
491  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [SDC] Shadow | [ ShadowChat | ShadowSend | ShadowGo ] | New iOS wallet ! on: September 04, 2014, 11:42:19 PM
New GUI, for people that weren't in IRC.  Grin Shadow raising the bar once again.



That looks killer, Can't wait to use it.
492  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [SDC] Shadow | [ ShadowChat | ShadowSend | ShadowGo ] | New iOS wallet ! on: September 04, 2014, 04:52:48 PM
Happy to be joining the Shadow Team! Watch this space for more updates in the near future Smiley!

Yea! Great to have you man.
493  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [SDC] Shadow | [ ShadowChat | ShadowSend | ShadowGo ] | New iOS wallet ! on: September 04, 2014, 07:10:30 AM
Devs.
No update,No active.
Look like dead.
Only dump and dump.

Dude, Come to the irc #shadowcoin on freenode, or http://shadowhangout.com. Dev chats almost everyday in irc.
494  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN][XST] Stealth-Coin.com | Tor | StealthSend, World's first anonymous SMS Tx! on: September 03, 2014, 01:11:45 AM
Please take a look at the title of this thread and everyone stop using steathtext or stealthchat. Obviously Hondo was trying to get the point across to everyone exactly what the Android app will do. Anon(stealth) sending of the coins in your wallet at home from your phone using sms to make the transaction(tx) happen. At least that is how I understand it.
   
Re: [ANN][XST] Stealth-Coin.com | Tor | StealthSend, World's first anonymous SMS Tx!


That is a much better name, I'm in the SDC community and i wish you guys luck.

FYI, be on the lookout for VRC trolls as they will prolly claim a rip off of their SMS based VERISend.
495  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [SDC] Shadow | [ ShadowChat | ShadowSend | ShadowGo ] | New iOS wallet ! on: August 31, 2014, 06:46:38 AM
This project has no limits. Mark my word

Research my name, all the coins ive been involved in have boomed.

Check it out. Darkcoin, XC, Cloak and now shadow! Cheesy Keeping the best for last
yes bro i think XC has a huge future, but this...is shocking the shit out of me SDC is a true bitcoin rival, it's almost laughable that this forum is so silent, people are thick as.

I think more and more people are getting sick of BTCTalk

+1

Especially because in each thread it's the same "Can't believe this coin is so low.... it will rival bitcoin.... it's the next big thing.... it will go to the moon...." blah blah blah
Bitcoin has a huge user base that's all it's got..people act like BTC is the best thing ever and will still be here in 10 years time even though it has done nothing to improve it's self in the 24 months, i got news for you it won't, it's slow hard for people to acquire and not very appealing at all, and will never become mainstream.

The Bitcoin team could change the coin parameters to make it faster, if there is enough support from the community. The problem is the community is so big, that it's hard to make drastic changes to the code base. It's definitely far from being mainstream and there is still room for a competing currency to have a major impact on the market. We're still in the very early stages of crypto adoption, so anything can change.
You got a point there and not being able to change the code could be another reason it will be hard for it to become mainstream, Any way i'm thankfull for BTC because it has built the foundations for other great crypto's to rise up the ranks and that will happen much faster then BTC did, but anyways i wonder what else our dev has planned for shadow Blockchain 2.0, web 3.0 there is so many great things he could do with SDC anyone spoken to him about anything like this and have any idea if it's on the table?

I dont think you'll be dissapointed with what is coming out.
496  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [SDC] Shadow | [ ShadowChat | ShadowSend | ShadowGo ] | New iOS wallet ! on: August 29, 2014, 11:19:18 PM
This project has no limits. Mark my word

Research my name, all the coins ive been involved in have boomed.

Check it out. Darkcoin, XC, Cloak and now shadow! Cheesy Keeping the best for last

This is what i like to hear.
497  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] Cinni | PoS | First Coin With Private Encrypted Messaging | No premine on: August 29, 2014, 05:01:29 AM
Its good that the community wants to take over cinnicoin and continue to improve the coin, how ever iam not trying to fud or troll here but is it ever going to regain traction price wise? given the amount of bag holders that bought all the way from 30k SAT TO 1K SAT  will most probably just dump out as soon as the price develops an uptrend.  anyone else see this as a very possible and large issue?

I have the same concern, and it's a potentially huge issue. I've generally assumed that most of the big whale dumpers have dumped already, but I have no idea - it is one of the things that makes me a bit hesitant about all this. It'll be a wasted effort if CINNI behaves like it has in the past, where whales dump into every rally.

Is there a rich list?

~15M in circulation.  the biggest problem is not the whales who are still holding.  its the ones that will buy 10% or 20% of total CINNI and only intention is to dump when the price rises.  CINNI is basically at teh beginning again pricewise.

I'm still in and hope a suitable person can found to continue development.

If you want to stop that, you need to find a small group of people you trust to buy up the coin while its cheap, and not sell it. It's the only way you can avoid the other situation. Else once momentum starts you will have the whales and pumpers come in and buy up a large share just to dump on you up top.
498  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [SDC] Shadow | [ ShadowChat | ShadowSend | ShadowGo ] | New iOS wallet ! on: August 29, 2014, 04:59:43 AM
It's heavily undervalued, even anonymous retweeted us.
499  Alternate cryptocurrencies / Altcoin Discussion / Re: Shadowcoin(SDC) Making fast progress on: August 27, 2014, 03:57:19 AM
I'm just starting to look into alt coins today.... Most threads seem like big pump by current owners to increase the price.  Can anyone else chime in on that?  Am I the only one thinking this?

Haven't really researched enough into SDC to make my own conclusion.
I just started this thread because yes i invested but It seams like it's unheard of here! the thread is so quiet and i just don't understand it..
i mean in a bit over a month the Dev has got a shit load done, and from what i can see, all looks good all works good, if someone wanted to review the code or anything and dispute it, i would like to hear there opinion because my knowledge of code is very limited unlike a lot of people on this forum, but so far they have delivered, fast and it all works from what i can see, they have a lot of things in the future from what i have gatherd including a trust less version  of  zk-snarks.

Thats because alot of the activity is on Shadowhangout.com
500  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [SDC] Shadow | [ ShadowChat | ShadowSend | ShadowGo ] | New iOS wallet ! on: August 27, 2014, 12:48:25 AM
Hi

has anyone reviewed the code? Is it really anon?

Does the shadowchat work?

thanks

I'm not sure if the code has been audited yet, maybe someone else could chip in regarding this.

And yes ShadowChat does work.

Thanks for your reply.

Isnt there someone here on btc talk who is respected that can check out the code ?


The stealth code was sent to Peter Todd as stealth was his vision and SDC is the first open source stealth code using openssl.  I dont know if Todd has commented.  

The regualr coin code was checked out by Cryptowest, he was asked to by bittrex. It was deemed clean and okay and has a post in the old thread validating that.
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