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Author Topic: [ANN][DASH] Dash (dash.org) | First Self-Funding Self-Governing Crypto Currency  (Read 9722504 times)
Scriptiee
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April 09, 2014, 05:05:45 PM
 #13381

As it is, if one node is compromised or malicious, what stops it from hosing up darksend? Sure, that TX will fall out of the memory pool and eventually be not a sent transaction according to my client, but how about something that actively avoids the incident? Why shouldn't all clients hosting the full chain also be darksend nodes? For that matter, why is darksend optional? Why aren't all sends done in that manner automatically? Input volume, yes...

The idea of masternodes is to create a very expensive network similar to mining, where users invest money to make money. If you decide to be malicious, the only power you have is to not allow transactions for that 2.5 minutes, in which case you forfeit the money the network will pay you.

If all nodes were able to do it, the network would be vulnerable to sybil attacks. See my conversation with Anonymint.

The network is still vulnerable to sybil attacks with expensive nodes, but only by wealthy entities, and they would have to invest heavily in darkcoin to be able to do so, which would have the effect of strengthening the coin. I crunched some of the numbers, and you'd need a LOT of sybil nodes (50%+) to be able to snoop on a significant number of DS transactions where multiple mixing stages are employed. Which might be potentially feasible for a very motivated large organisation, but can be mitigated by specifying a high number of mixing stages (5-20).

Also, as the above poster pointed out, DOS on master nodes may be a problem. E.g. if an attacker DOS'd all the genuine master nodes successfully (which is unlikely, but this is hypothetical), only their own sybil nodes would remain, meaning anonymity is gone for that period. One way to mitigate this might be to have some network health indicators in the client. E.g. monitor the number of alive master nodes over time, and if it drops dramatically, have a little amber warning light on the send page to communicate that darksend transactions may be less secure. Or a graph of alive master nodes over time might be even better.

I'm some what worried about the potential of DDOS attacks on the master nodes.  DarkSend would be some what of a joke if no coins were being sent or huge delays, or interpuptions from DDOS attacks.

I wrote this yesterday, but it seemed to get looked over.

Should there be some kind of Masternode basic requirements?  One for sure being DDOS protection.

I'm worried that people could just forward the port on their home router, direct to their windows laptop and run a master node.  I'm tempted to do so....  But feel I should do it "right" purchase a new server, with DDOS protection, firewall it, and secure it as much as I can.

I'm worried many will take the easy option, which could lead to a number of DDOS vulnerable masternodes, or they could turn the laptop off lol.

My unix rig is on 24/7, and could be a master node, but my home DSL certainly isn't DDOS protected, I have WRT custom firmware, firewall etc, but feel a master node deserves a proper VPS / server with DDOS protection etc.

Thoughts?


1000DRK for one which makes not every one able to run

more on requirements is at: https://www.darkcointalk.org/threads/darkcoin-update-masternode-requirements-masternode-payments.225/
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kriegalex
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April 09, 2014, 05:08:08 PM
 #13382

As it is, if one node is compromised or malicious, what stops it from hosing up darksend? Sure, that TX will fall out of the memory pool and eventually be not a sent transaction according to my client, but how about something that actively avoids the incident? Why shouldn't all clients hosting the full chain also be darksend nodes? For that matter, why is darksend optional? Why aren't all sends done in that manner automatically? Input volume, yes...

The idea of masternodes is to create a very expensive network similar to mining, where users invest money to make money. If you decide to be malicious, the only power you have is to not allow transactions for that 2.5 minutes, in which case you forfeit the money the network will pay you.

If all nodes were able to do it, the network would be vulnerable to sybil attacks. See my conversation with Anonymint.


Confirm the velocity is the developer should face up to the problem
We are very concerned about this

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April 09, 2014, 05:14:41 PM
 #13383

As it is, if one node is compromised or malicious, what stops it from hosing up darksend? Sure, that TX will fall out of the memory pool and eventually be not a sent transaction according to my client, but how about something that actively avoids the incident? Why shouldn't all clients hosting the full chain also be darksend nodes? For that matter, why is darksend optional? Why aren't all sends done in that manner automatically? Input volume, yes...

The idea of masternodes is to create a very expensive network similar to mining, where users invest money to make money. If you decide to be malicious, the only power you have is to not allow transactions for that 2.5 minutes, in which case you forfeit the money the network will pay you.

If all nodes were able to do it, the network would be vulnerable to sybil attacks. See my conversation with Anonymint.


Confirm the velocity is the developer should face up to the problem
We are very concerned about this


Do we still have a slave node that would take over if the Master node misbehaves?

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The Future of Work. Decentralized.
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mattmct
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April 09, 2014, 05:23:40 PM
 #13384

As it is, if one node is compromised or malicious, what stops it from hosing up darksend? Sure, that TX will fall out of the memory pool and eventually be not a sent transaction according to my client, but how about something that actively avoids the incident? Why shouldn't all clients hosting the full chain also be darksend nodes? For that matter, why is darksend optional? Why aren't all sends done in that manner automatically? Input volume, yes...

The idea of masternodes is to create a very expensive network similar to mining, where users invest money to make money. If you decide to be malicious, the only power you have is to not allow transactions for that 2.5 minutes, in which case you forfeit the money the network will pay you.

If all nodes were able to do it, the network would be vulnerable to sybil attacks. See my conversation with Anonymint.

The network is still vulnerable to sybil attacks with expensive nodes, but only by wealthy entities, and they would have to invest heavily in darkcoin to be able to do so, which would have the effect of strengthening the coin. I crunched some of the numbers, and you'd need a LOT of sybil nodes (50%+) to be able to snoop on a significant number of DS transactions where multiple mixing stages are employed. Which might be potentially feasible for a very motivated large organisation, but can be mitigated by specifying a high number of mixing stages (5-20).

Also, as the above poster pointed out, DOS on master nodes may be a problem. E.g. if an attacker DOS'd all the genuine master nodes successfully (which is unlikely, but this is hypothetical), only their own sybil nodes would remain, meaning anonymity is gone for that period. One way to mitigate this might be to have some network health indicators in the client. E.g. monitor the number of alive master nodes over time, and if it drops dramatically, have a little amber warning light on the send page to communicate that darksend transactions may be less secure. Or a graph of alive master nodes over time might be even better.

I'm some what worried about the potential of DDOS attacks on the master nodes.  DarkSend would be some what of a joke if no coins were being sent or huge delays, or interpuptions from DDOS attacks.

I wrote this yesterday, but it seemed to get looked over.

Should there be some kind of Masternode basic requirements?  One for sure being DDOS protection.

I'm worried that people could just forward the port on their home router, direct to their windows laptop and run a master node.  I'm tempted to do so....  But feel I should do it "right" purchase a new server, with DDOS protection, firewall it, and secure it as much as I can.

I'm worried many will take the easy option, which could lead to a number of DDOS vulnerable masternodes, or they could turn the laptop off lol.

My unix rig is on 24/7, and could be a master node, but my home DSL certainly isn't DDOS protected, I have WRT custom firmware, firewall etc, but feel a master node deserves a proper VPS / server with DDOS protection etc.

Thoughts?


1000DRK for one which makes not every one able to run

more on requirements is at: https://www.darkcointalk.org/threads/darkcoin-update-masternode-requirements-masternode-payments.225/

1000DRK sure, but that doesn't equal the necessary knowledge or commitment to run a node behind DDOS. 

Basically I just hope that people are putting up decent DDOS protection.  Maybe this should be confirmed by the current master node operators.
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April 09, 2014, 05:25:29 PM
 #13385

I also hope is a great silver



A great future to us


I'm sorry to disappoint you, but this is no silver to bitcoin's gold.  no.  It's Platinum and a bit of fine diamonds in there.

TanteStefana I like your vision, especially that DRK is like the wine, the older is better Smiley

BE SMART, USE DASH ( ͡° ͜ʖ ͡°)
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April 09, 2014, 06:23:16 PM
 #13386

**********************
Windows Wallets, including beta wallets have been updated and should be upgraded from http://darkcoin.io
**********************


This is to upgrade OPENSSL to v1.0.1g, which is not affected by HeartBleed bug.
Will be doing same for Linux wallets.

DarkCoin - https://bitcointalk.org/index.php?topic=421615 - DarkCoin aims to be the first privacy-centric cryptographic currency with fully encrypted transactions and anonymous block transactions.
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April 09, 2014, 06:36:01 PM
 #13387

is there anywhere to find the current block reward?

BTC: 1ESZr887vTZqYtDuwwspn1jBaoRU9jMcv1
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April 09, 2014, 06:44:29 PM
 #13388

is there anywhere to find the current block reward?
http://drk.poolhash.org/graph.html

or any p2pool frontend

http://drk.poolhash.org/local.html

or any MPOS pool Blocks menu amount(not current)
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April 09, 2014, 06:45:14 PM
 #13389


BE SMART, USE DASH ( ͡° ͜ʖ ͡°)
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April 09, 2014, 06:57:18 PM
 #13390




Just Nao Tomori and Bitcoin ( ͡° ͜ʖ ͡°)
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April 09, 2014, 08:05:45 PM
 #13391

What's the latest best-guess on when Dark Send will be fully released?
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April 09, 2014, 08:16:35 PM
 #13392

What's the latest best-guess on when Dark Send will be fully released?


The best guess
That's only a guess

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April 09, 2014, 08:50:13 PM
 #13393

I know I already asked this before but I didn't have a chance to investigate further. I am trying to get my old wallet (xcoin) to sync so I can transfer my balance to new DarkCoin wallet


The problem is the wallet
Good luck to you
Can I know to help you
 Smiley

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April 09, 2014, 08:52:56 PM
 #13394

Can we please stop replying to that complete waste of time? This white knight for all the "scammed and miserable" ...

All it does is fuels his desire to be centre of the attention.

Does he do it often?  LOL, then I'm wrong and he's an idiot, what can I say?  I always hope for the best, especially if I lost my temper, 'cause then I feel so bad........

I'm 17 soon i am not a kid.

Also it's going to be a petition not a vote.

I will simply put an honest account of darkcoins history. A solution to compensate people cut out from mining.  And make a petition. If a lot of people sign. Then though sheer TRUTH SPREADING alone a lot of pressure can be applied.

Anyway i need to finish my game now.

The last of us - such a great game has anyone played it?



the "instamine" your so fond of refering to, well, i have given away so many coins, that im down to 2 % of what i have mined, and i dont have any regrets, i did it to get people interrested in this coin, for promotion, so, why do you still think it was unfair? i can tell you im not the only one who has given away lots of coins, there are plenty more, and i can also tell you, that people who came in later, actually have more coins than me.... the windows wallet was actually released quite quickly, where there was plenty of opertunities for people who wanted to get in and mine coins in the beginning...


Good luck to you

I hope you think is right

You will become very rich

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April 09, 2014, 08:56:41 PM
 #13395

Anyone has an idea why the reward at darkcoin.fr (P2P) is only a quarter of what I get at a classic pool? I had less than 1% rejects....so?
Monitored for 24h.

Less than one percent is not normal
Mine pool should be a problem
Good luck to you

YinCoin YangCoin ☯☯First Ever POS/POW Alternator! Multipool! ☯ ☯ http://yinyangpool.com/ 
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thefrog
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April 09, 2014, 09:20:49 PM
 #13396

Anyone has an idea why the reward at darkcoin.fr (P2P) is only a quarter of what I get at a classic pool? I had less than 1% rejects....so?
Monitored for 24h.

Less than one percent is not normal
Mine pool should be a problem
Good luck to you


Do you maybe get a lot of orphans ?
Happened to me before upgrading to latest darkcoind on linux i686.
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April 09, 2014, 09:50:53 PM
 #13397

Asking this question again, in case this gets lost among the flood of message:
What's the latest best-guess on when Dark Send will be fully released? Really think that's key to get the price back to where it should've been by now.
janos666
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April 09, 2014, 09:55:09 PM
 #13398

Really think that's key to get the price back to where it should've been by now.

Everything is falling now, BTC/$, most ALT/BTC (excluding the occasional pumps but those are also less frequent these days).
But this can't take longer than a year and it's probably closer to it's end than it's beginning.
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April 09, 2014, 10:13:37 PM
 #13399

Asking this question again, in case this gets lost among the flood of message:
What's the latest best-guess on when Dark Send will be fully released? Really think that's key to get the price back to where it should've been by now.
You want an exchange rate rise? Get DRK on Bter and/or BTC38 and it'll increase demand by a large amount. For the life of me, I can't understand why these Chinese exchanges have BTC and CNY trading pairs for total shitcoins yet they blissfully ignore DRK.
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April 09, 2014, 10:14:51 PM
 #13400

How many DRK should I expect with one r9 290 and how much with one 7950 if mining 24/7?
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