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Author Topic: [ANN][Datacoin] Datacoin blockchain start announcement (Minor code upd + logo)  (Read 159144 times)
liaoguipan
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September 08, 2017, 09:08:48 AM
 #1821

when I mined with computer with one nvdia card. the pool works well when I mine with two amd card , it stops at connecting to frontend dtc.graymines.net:4444, maybe there is something wrong?
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extro24
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September 08, 2017, 09:16:26 AM
 #1822

Datacoin (DTCN) is now listed on C-CEX voting page.  C-CEX says they will change the symbol to DTC.  Go cast your vote with your Bitcoin.

https://c-cex.com/?id=vote

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September 08, 2017, 09:43:37 AM
 #1823

I was going to write and post a short progress report but “partner support mode” has been engaged, so ... later.

Cheers

Graham
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September 08, 2017, 10:26:56 AM
 #1824

I was going to write and post a short progress report but “partner support mode” has been engaged, so ... later.

Not unreasonably, I've been asked if I would care to elaborate on the meaning of “partner support mode” ... Ngaio has a LTMC, fibromyalgia. In direct consequence my primary role is now to support her, engaged at the drop of a hat (literally). Which is why I insistently style myself as a “contributor” and not a “dev”. My own LTMC is CAD, l survived an infarct over a decade ago. You know the old Queen track, “Waiting for the hammer to fall”? A favourite of mine.

Cheers

Graham
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September 08, 2017, 10:43:25 AM
 #1825

In direct consequence my primary role is now to support her, engaged at the drop of a hat (literally). Which is why I insistently style myself as a “contributor” and not a “dev”.

Hi Graham,

    I am certain you will be an invaluable partner.
    Best wishes of health to the both of you now and in the future.

Best Regards,
-Chicago
MarcusDe
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September 09, 2017, 10:12:46 AM
 #1826

when I mined with computer with one nvdia card. the pool works well when I mine with two amd card , it stops at connecting to frontend dtc.graymines.net:4444, maybe there is something wrong?

I suppose it happened when I was making update.

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September 09, 2017, 10:13:43 AM
 #1827

Okay, some plans for dtc.graymines.net for near future (this weekend, unless I'll drink too much :-p):
1) change target from 10 to 9; current diff. is far away even from 9
2) long hard work to change reward calculation; now for safety shave values are calculated from fully confirmed blocks which should become such after 4-5 days
so before that you get those shitty 0.01, 0.1 and for 10- hardcoded 9.6 coins which was quite fair for target 10, but not now. I plan to change it to be calculated from real block value from network.
3) algo is different from all those 'normal' coins, miner can't get same reward for "7" share as for "8" etc. etc.
4) It was about 3 years when I started this pool and knew what was the idea, so please have patience!

With 1 miner now it's safe to give that nice testing person some extra precious coins mined by him as reward for testing (expect this in next week) :-D

M.

1) done.

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September 09, 2017, 11:06:17 AM
 #1828

PROPOSAL TO CREATE A DATACOIN GATEWAY ON RIPPLE

A Ripple Gateway is like an exchange, and we need NO PERMISSION, but does need some IT skills which should be available in the Datacoin community.  We can set up trading pairs for XRP/DTC, DTC/BTC, DTC/ETH etc.

Ripple seems to help you.  They have something like a support centre for gateways.

This would expose Datacoin to the thousands of users of the Ripple GateHub wallet.

I think this should be doable.  Dash recently did the same thing:  https://www.dash.org/forum/threads/pre-proposal-create-the-first-dash-gateway-on-ripple.14721/

It is very easy to create a GateHub wallet - go to www.gatehub.net.

I have a fixed IP address (154.66.207.206).  I understand I have to set up a rippled server.  Anybody else have experience with this?




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September 09, 2017, 11:45:59 AM
 #1829

OK, really WTF? WE have http://www.bytestamp.net/blocks/index block explorer, right?

Look at those 2 images:
 http://graymines.net/upload/dtc-be_494986a.png before
http://graymines.net/upload/dtc-be_494986b.png after
 some time, when good blocks on pool changed on bad blocks.
Even in block explorer blocks change.


1st I've checked when I saw info there is block explorer, left page opened few hours when I was busy in work,
now I checked same blocks again.... hashes differ. Even in block explorer hashes changed. Really? LOL.
 
How my pool can trust ANY blockchain source?Huh
How any miner can mine if ANY time blockchain can change without any known reason?


Is the network working at all? how many nodes are available? Was not there a dangerous blockchain fork?

 Roll Eyes

Chicago
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September 09, 2017, 12:02:14 PM
 #1830

Is the network working at all? how many nodes are available? Was not there a dangerous blockchain fork?

Hi WGD,

    We've been tracking 20 or better nodes for the last several months.
    The coinbase maturity is 3000 and I haven't witnessed any wipeouts due to reorganization.

Best Regards,
-Chicago
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September 09, 2017, 03:27:06 PM
 #1831

I was going to write and post a short progress report but “partner support mode” has been engaged, so ... later.

Not unreasonably, I've been asked if I would care to elaborate on the meaning of “partner support mode” ... Ngaio has a LTMC, fibromyalgia. In direct consequence my primary role is now to support her, engaged at the drop of a hat (literally). Which is why I insistently style myself as a “contributor” and not a “dev”. My own LTMC is CAD, l survived an infarct over a decade ago. You know the old Queen track, “Waiting for the hammer to fall”? A favourite of mine.

Cheers

Graham


Sorry to hear that.  You need to drink regular glasses of red wine.  The Mediterranean diet and all that....  My uncle had a heart attack a few years ago, and he is basically being kept alive by raw garlic and liberal amounts of red wine.  Cleans out the arteries.

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September 09, 2017, 05:17:39 PM
 #1832

Is the network working at all? how many nodes are available? Was not there a dangerous blockchain fork?

Hi WGD,

    We've been tracking 20 or better nodes for the last several months.
    The coinbase maturity is 3000 and I haven't witnessed any wipeouts due to reorganization.

Best Regards,
-Chicago


I say we need to drastically reduce the number of confirmations needed.  All the coins are trying to increase transaction capacity and Datacoin is chugging along at 3000 confirmations.  I understand that it was probably to stop censorship via 51% attacks, but that is not our immediate concern.  We need adoption, and that means network speed.

So I am seriously proposing that we drop the number of confirmations needed to 6. 

We all think that the disappearance of the developer killed the coin.  But if there had been wider adoption other developers would have stepped forward sooner.

Chicago
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September 10, 2017, 12:26:05 AM
 #1833

Is the network working at all? how many nodes are available? Was not there a dangerous blockchain fork?
We've been tracking 20 or better nodes for the last several months.
The coinbase maturity is 3000 and I haven't witnessed any wipeouts due to reorganization.
I say we need to drastically reduce the number of confirmations needed.  All the coins are trying to increase transaction capacity and Datacoin is chugging along at 3000 confirmations.  I understand that it was probably to stop censorship via 51% attacks, but that is not our immediate concern.  We need adoption, and that means network speed.

So I am seriously proposing that we drop the number of confirmations needed to 6. 

We all think that the disappearance of the developer killed the coin.  But if there had been wider adoption other developers would have stepped forward sooner.

Hi Extro,

    The two types of transactions to be concerned with here do not affect transaction capacity or network speed by any large measure.
    We're basically speaking to the properties of transaction inputs.
    One case is where the input to the transaction was an unspent output from a mining reward and the other case is an input which happens to be an unspent output from a user signing over some datacoins to another address.

    The first type of transaction is just like what you find in the Genesis block.
    These are emissions from the blockchain in the form of miner rewards and are referred to as coinbase transactions.
    Coinbase outputs are created out of thin air due to consensus protocol and proof-of-work; as an incentive to miners for securing the network.

    These outputs must be 3,000 blocks deep and considered "matured", before they may be used as an input in another transaction.

    The second most common type of transaction is the ordinary transaction where an unspent output held by one address happens to be signed over to another address as an input within a transaction.
    The owner of the matured datacoins may spend them and use them as inputs in a new transaction.
    The new owner will have unspent outputs which can be used in a subsequent transaction.
    The new owner will not need to wait 3,000 blocks.
    These types of transactions are the common transactions you are referring to which typically have 6 confirmations before they may be used as an input in another transaction.

    In other words, if you buy some datacoins on an exchange you do not have to wait 3,000 confirmations before the coins are yours or to be free to spend them.

    COINBASE_MATURITY has nothing to do with transaction capacity whatsoever.  It is a consensus rule which helps people from losing coins.
    If you want to decrease it substantially, first we must grow the network such that the proof-of-work hashrate is orders of magnitude greater and sustain it for a very long time and only then *maybe* consider reducing COINBASE_MATURITY.

    Here's how it works.  Let's suppose there is a fork.
    Now, let's suppose the fork isn't reconciled for 500 blocks.

    Now let's suppose merchants are concerned they will lose datacoin as a result of the 500 block deep reorganization.
    Since the transactions are going to be reconciled on both sides of the fork, none of those merchants will lose any datacoin.
    The above statement precludes any malicious intent or attempts to double-spend.

    ... also, since the COINBASE_MATURITY is 3,000 there will be no chance for "new" coins from the losing fork to have ever been spent because the fork was small ( 500 < 3000 ).
    Therefore, only valid coins would ever be spent on a 500 block re-organization and the transactions will reconcile on both sides of the fork.

    The only loser in a 500 block re-organization when there is a 3,000 confirmations deep network confirmation protocol would be the pool or miner who happens to have been on the losing fork.

    Hopefully this helps to clarify how COINBASE_MATURITY is a relatively insignificant feature of the protocol when it comes to evaluating network speed.

    Network speed is governed by target spacing, hash rate and peer connectivity.
    The target spacing determines how many seconds / minutes there are supposed to be between each block.
    The hash rate being regular and sustained keeps the network hitting its target (difficulty) at the prescribed time repeatedly.
    The peer connectivity helps to relay new blocks and transactions in a timely manner.
    These properties are within our control by influencing an outcome where we achieve an ever increasing hash rate and continue to add new well-connected nodes to the peer swarm.

Best Regards,
-Chicago
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September 10, 2017, 10:32:16 AM
 #1834

Thank you Chicago.  My bad.  Nobody has ever sent me Datacoin so I assumed that 3000 confirmations were needed for ordinary transactions.  So it turns out that normal transactions can already be spent after 6 confirmations.  Then no change in the coin is needed.

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September 11, 2017, 12:32:15 AM
 #1835

PROPOSAL TO CREATE A DATACOIN GATEWAY ON RIPPLE

A Ripple Gateway is like an exchange, and we need NO PERMISSION, but does need some IT skills which should be available in the Datacoin community.  We can set up trading pairs for XRP/DTC, DTC/BTC, DTC/ETH etc.

Ripple seems to help you.  They have something like a support centre for gateways.

This would expose Datacoin to the thousands of users of the Ripple GateHub wallet.

I think this should be doable.  Dash recently did the same thing:  https://www.dash.org/forum/threads/pre-proposal-create-the-first-dash-gateway-on-ripple.14721/

It is very easy to create a GateHub wallet - go to www.gatehub.net.

I have a fixed IP address (154.66.207.206).  I understand I have to set up a rippled server.  Anybody else have experience with this?


Make a topic on xrpchat.com. Some Ripple staff read it.
MarcusDe
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September 11, 2017, 10:52:50 AM
 #1836

PROPOSAL TO CREATE A DATACOIN GATEWAY ON RIPPLE

A Ripple Gateway is like an exchange, and we need NO PERMISSION, but does need some IT skills which should be available in the Datacoin community.  We can set up trading pairs for XRP/DTC, DTC/BTC, DTC/ETH etc.

Ripple seems to help you.  They have something like a support centre for gateways.

This would expose Datacoin to the thousands of users of the Ripple GateHub wallet.

I think this should be doable.  Dash recently did the same thing:  https://www.dash.org/forum/threads/pre-proposal-create-the-first-dash-gateway-on-ripple.14721/

It is very easy to create a GateHub wallet - go to www.gatehub.net.

I have a fixed IP address (154.66.207.206).  I understand I have to set up a rippled server.  Anybody else have experience with this?


Make a topic on xrpchat.com. Some Ripple staff read it.

Server is not a problem, I can host it for free to help :-)

extro24
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September 11, 2017, 12:50:12 PM
 #1837

Thanks bugreporterr and MarcusDE.  I put the topic on xrpchat.com  (Under Problem Solving).

My ripple address is rngnE9TXY5FguLPrtKncZx4jYRRhaR1Zhd.  I understand a "trust line" has to be placed on it before I can issue Datacoin to other users.

See if you can put a "trust line" on that address and also send me your ripple addresses so that I can put trust lines on them.

I remember that I created Freicoin (FRC) in the old Ripple Trade wallet.  Not sure how to do it in this new Gatehub wallet.

Anybody who has experiences with "Issueances" and gateways in Ripple please speak up.

extro24
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September 11, 2017, 02:22:09 PM
 #1838

I am now playing with the www.theworldexchange.net.  Seems like a friendlier way to issue DTC on the Ripple network than Gatehub.

http://www.wsiltv.com/story/36180070/new-ripple-based-decentralized-exchange-for-point-and-click-icos

Looks like I am set to issue and trade 10000DTC on the Ripple Network but I think I will wait to see if other people on this forum have set up.

I also want to watch the video tutorials:  https://www.youtube.com/playlist?list=PLHAK7FXoElZOyM6MaQ_O_i6ATap2k9r-o

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September 11, 2017, 03:31:04 PM
 #1839

It's quite nice idea, but can you make it working for Datacoin? I think that, it's only working for a tokens released on ripple network, and you can't have cross atomic swaps chains, with it (besides probably you wouldn't do it anyway, because datacoin doesn't have malleability fix).

Or you could try to issue a token, which could be reedemed for Datacoin? But how would you enforced to make it reedemed for DTC? With your own stash of Datacoins? Because nobody would support for now, and it would be only up to people if they would accept these tokens or not.

So your thought is mainly to create a token, which 'could' be reedemed for real DTC, and it would trade to XRP? Like a credit based security? Without any other ideas, or without exchanges, it's the only way for now.

extro24
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September 11, 2017, 06:51:05 PM
 #1840

It's quite nice idea, but can you make it working for Datacoin? I think that, it's only working for a tokens released on ripple network, and you can't have cross atomic swaps chains, with it (besides probably you wouldn't do it anyway, because datacoin doesn't have malleability fix).

Or you could try to issue a token, which could be reedemed for Datacoin? But how would you enforced to make it reedemed for DTC? With your own stash of Datacoins? Because nobody would support for now, and it would be only up to people if they would accept these tokens or not.

So your thought is mainly to create a token, which 'could' be reedemed for real DTC, and it would trade to XRP? Like a credit based security? Without any other ideas, or without exchanges, it's the only way for now.

Yes, I want to issue a token.  Do you have a Ripple address?

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