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Author Topic: [ANN][DASH] Dash (dash.org) | First Self-Funding Self-Governing Crypto Currency  (Read 9722518 times)
vertoe
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February 12, 2015, 06:01:43 PM
 #80001



so how is double-spending prevented before miner confirms?
thanks

(obviously 2 mins is too little for miner confirms)

remember he wants an answer from the dev team .. not from us.   

Good enough child_harold?

https://www.darkcoin.io/wp-content/uploads/2014/09/InstantTX.pdf

read the paper about transaction locking, it explains it pretty well.

TL;DR inputs are not only locked on a client level but on a network level.
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Transactions must be included in a block to be properly completed. When you send a transaction, it is broadcast to miners. Miners can then optionally include it in their next blocks. Miners will be more inclined to include your transaction if it has a higher transaction fee.
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Youghoor
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February 12, 2015, 06:04:14 PM
 #80002

Dumpers never learn and keep on dumping.
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February 12, 2015, 06:04:29 PM
 #80003

Getting the fork message on a client I just sent 1000+ DRK to from Bitfinex



How can I resolve it without losing coins?
Just wait for the network to catch up. As long as you hold the private key for the recieving address there is nothing you should worry about.

I checked the transaction the block explorer and it was confirmed and on the right chain. Reindex made my QT client force shut so I opened up a Local QT from one my Masternodes, it synced to the right block and then I simply copied over the Blocks and Chainstate folders. Everything is good now. That'll teach me for wanting to play around with Darksend mixing instead of trading :p

I'd like to thank eduffield and the other developers for this critically important evolution in virtual currency. DarkCoin is what bitcoin should have been. Some might call it "Bitcoin 2.0" but would do better by saying: "DarkCoin is digital cash." - Child Harold - February 28, 2014
https://bitcointalk.org/index.php?topic=421615.msg5424980#msg5424980
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February 12, 2015, 06:04:55 PM
 #80004


Answers please.


Read edit above.

Easy test. Sent 1DRK InstantX to an EMPTY walley (ie no other inputs) and immediatly after sent back to original wallet once it IntantX confirmed.

Satisfied?

Not really…

1) Minotaur26 said 2 mins
2) Do MN's generate diff tokens? YES/NO

i.e. if i respend instantx tx's b4 miner confirmations how can double-spending be prevented unless the tokens are diff?

educate me



You can use them just like any other coins. You can't IX anything that has less then 6 block-level confirmations.
https://github.com/darkcoin/darkcoin/blob/master/src/instantx.cpp#L226

So MN's are sending I/O valies as yet unconfirmed by mining network?
How long does 6 blocks take? Is that a full confirmation?
Yep, 6 blocks x ~2.5 minutes per block = ~15 minutes till you can send the same funds using IX. But you can send them as usual or start mixing right after first block.

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child_harold
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February 12, 2015, 06:05:25 PM
 #80005



so how is double-spending prevented before miner confirms?
thanks

(obviously 2 mins is too little for miner confirms)

remember he wants an answer from the dev team .. not from us.   

Good enough child_harold?

https://www.darkcoin.io/wp-content/uploads/2014/09/InstantTX.pdf

read the paper about transaction locking, it explains it pretty well.

TL;DR inputs are not only locked on a client level but on a network level.

Re-spending before miner confirmations seems risky.
If u dont need miner confirms… why have them at all?

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February 12, 2015, 06:06:04 PM
 #80006


Answers please.


Read edit above.

Easy test. Sent 1DRK InstantX to an EMPTY walley (ie no other inputs) and immediatly after sent back to original wallet once it IntantX confirmed.

Satisfied?

Not really…

1) Minotaur26 said 2 mins
2) Do MN's generate diff tokens? YES/NO

i.e. if i respend instantx tx's b4 miner confirmations how can double-spending be prevented unless the tokens are diff?

educate me



You can use them just like any other coins. You can't IX anything that has less then 6 block-level confirmations.
https://github.com/darkcoin/darkcoin/blob/master/src/instantx.cpp#L226

So MN's are sending I/O valies as yet unconfirmed by mining network?
How long does 6 blocks take? Is that a full confirmation?
Yep, 6 blocks x ~2.5 minutes per block = ~15 minutes till you can send the same funds using IX. But you can send them as usual or start mixing right after first block.

HOLY CRAP!

THANK YOU 4 an answer that makes sense!

still waiting 4 dev confirm pls…

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February 12, 2015, 06:06:45 PM
 #80007

pump is over hope you sold.

Trade:   Forex (€/$...) - Stocks(Apple, Google..) - Commodities(Gold, Oil...) and Indices(S&P 500, Dax...)
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February 12, 2015, 06:07:14 PM
 #80008

Dumpers never learn and keep on dumping.

Day traders thats all...
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February 12, 2015, 06:08:50 PM
 #80009


Answers please.


Read edit above.

Easy test. Sent 1DRK InstantX to an EMPTY walley (ie no other inputs) and immediatly after sent back to original wallet once it IntantX confirmed.

Satisfied?

Not really…

1) Minotaur26 said 2 mins
2) Do MN's generate diff tokens? YES/NO

i.e. if i respend instantx tx's b4 miner confirmations how can double-spending be prevented unless the tokens are diff?

educate me



You can use them just like any other coins. You can't IX anything that has less then 6 block-level confirmations.
https://github.com/darkcoin/darkcoin/blob/master/src/instantx.cpp#L226

So MN's are sending I/O valies as yet unconfirmed by mining network?
How long does 6 blocks take? Is that a full confirmation?
Yep, 6 blocks x ~2.5 minutes per block = ~15 minutes till you can send the same funds using IX. But you can send them as usual or start mixing right after first block.

HOLY CRAP!

THANK YOU 4 an answer that makes sense!

That was already mentioned by numerous people in this thread. Not sure if you just did a half-ass look at it or what...
child_harold
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February 12, 2015, 06:10:28 PM
 #80010


Answers please.


Read edit above.

Easy test. Sent 1DRK InstantX to an EMPTY walley (ie no other inputs) and immediatly after sent back to original wallet once it IntantX confirmed.

Satisfied?

Not really…

1) Minotaur26 said 2 mins
2) Do MN's generate diff tokens? YES/NO

i.e. if i respend instantx tx's b4 miner confirmations how can double-spending be prevented unless the tokens are diff?

educate me



You can use them just like any other coins. You can't IX anything that has less then 6 block-level confirmations.
https://github.com/darkcoin/darkcoin/blob/master/src/instantx.cpp#L226

So MN's are sending I/O valies as yet unconfirmed by mining network?
How long does 6 blocks take? Is that a full confirmation?
Yep, 6 blocks x ~2.5 minutes per block = ~15 minutes till you can send the same funds using IX. But you can send them as usual or start mixing right after first block.

HOLY CRAP!

THANK YOU 4 an answer that makes sense!

That was already mentioned by numerous people in this thread. Not sure if you just did a half-ass look at it or what...

Minotaur26 said 2 mins
some other guy said "immediately"
now im getting 15 mins (which makes sense to me)

pls educate me further

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February 12, 2015, 06:11:38 PM
 #80011

Darkcoin Surges 90% After InstantX Announcement

http://www.coinssource.com/darkcoin-price-gain-instantx/
TanteStefana2
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February 12, 2015, 06:12:34 PM
 #80012

Been a while, forgot he's a troll...

Miner confirmations set the transactions into the blockchain.  Making it so that you only can do 1 IX transaction at a time is a safety measure.  Really, we could reduce the blockchain bloat to super minimum by only mining one block a day, and have everything be IX.  However, it's safer to do more testing, or even stay conservative and reduce block times to maybe every 30 minutes or so.

Really, the IX is so that DRK can be used where you're doing face to face transactions such as buying gas, groceries or fast food.  The merchant isn't gong to do anything with those funds for the next 15 minutes, so it doesn't really matter.

Another proud lifetime Dash Foundation member Smiley My TanteStefana account was hacked, Beware trading
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February 12, 2015, 06:14:05 PM
 #80013

pump is over hope you sold.

Your dump failed??? Huh Huh Huh
Minotaur26
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February 12, 2015, 06:14:37 PM
 #80014

UdjinM6 clearly said, you can spend immediately after receiving an InstanX transaction using normal send.  And you have to wait for a few confirms if you want to InstantX again. It is super clear.  He is not really looking for any answers he just want to drag the conversation for as long as possible.

High school students don't have a lot of responsibility and can afford to loose time.
GhostPlayer
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February 12, 2015, 06:15:14 PM
 #80015



Minotaur26 said 2 mins
some other guy said "immediately"
now im getting 15 mins (which makes sense to me)

pls educate me further

 You're almost my new pet troll, but I'll give you one last chance. And an official dev HAS given you an answer (vertoe), nothing beats guided self-education.

 To use IX you need funds that have already been confirmed at least 6 blocks.
 You send IX from A to B, and you CAN use B funds as regular tx, just not IX B funds again until you have 6 confirms.

 
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February 12, 2015, 06:16:49 PM
 #80016

pls educate me further

Damn you're thick  Grin


Which part of you can make a normal send once InstantX confirms didn't you understand?


And by the way UdjinM6 IS a Darkcoin core dev  Cool

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February 12, 2015, 06:18:27 PM
 #80017

 Maybe he means the entire dev team in a cappella ?
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February 12, 2015, 06:18:48 PM
 #80018

This guy is simply trying to piss you off Smiley
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February 12, 2015, 06:19:35 PM
 #80019

Maybe he means the entire dev team in unison a cappella ?

Do they also have to hold is hand and speak really slow?  Cheesy

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February 12, 2015, 06:20:33 PM
 #80020

pump is over hope you sold.

Your dump failed??? Huh Huh Huh

Well you don't know how the altcoin market works don't you?

Trade:   Forex (€/$...) - Stocks(Apple, Google..) - Commodities(Gold, Oil...) and Indices(S&P 500, Dax...)
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