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Author Topic: [ANN][Datacoin] Datacoin blockchain start announcement (Minor code upd + logo)  (Read 159143 times)
cryptrol
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December 03, 2013, 01:40:10 PM
 #501

Is there someone willing to sell Datacoin bellow market price (or donate) to me ? DLjcy3vu8KhMGbqbEtRcrGQUEweuMpiZqs
I have been building a website to help people get/put data from the blockchain, the site is almost done but I want to do some testing before opening it to beta, it's just I don't want to spend my few DTC testing.
Considering a full block of data costs almost 50 DTC, storage is REALLY EXPENSIVE and DTC are really hard to mine in comparison.

On a sidenote, is the testnet working ? I might go this way if I can't get cheap or free DTC ...

Expect a semi-open beta in a day or two (or three Smiley ).

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maxsolnc
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December 03, 2013, 01:55:07 PM
 #502

Is there someone willing to sell Datacoin bellow market price (or donate) to me ? DLjcy3vu8KhMGbqbEtRcrGQUEweuMpiZqs
I have been building a website to help people get/put data from the blockchain, the site is almost done but I want to do some testing before opening it to beta, it's just I don't want to spend my few DTC testing.
Considering a full block of data costs almost 50 DTC, storage is REALLY EXPENSIVE and DTC are really hard to mine in comparison.

On a sidenote, is the testnet working ? I might go this way if I can't get cheap or free DTC ...

Expect a semi-open beta in a day or two (or three Smiley ).




how many coins do you need?

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cryptrol
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December 03, 2013, 02:09:11 PM
 #503

Another thing that bothers me about Datacoin is why has the block reward gone down so fast ? Most coins are now in hand of early adopters whom may or may not be interested in storing data in the blockchain. A steady reward would allow for a steady amount of newly generated coins to be used for what the coin is designed to. If the inflation is so insane, storing data on the blockchain will also be too expensive.

And finally a question (and further comment) about the Datacoin wallets, do both wallet versions (normal and HP) store the full data blockchain ? Since storing the data doesn't seem mandatory one could live with only a coin wallet version (without the data) defeating the purpose of the coin. And BTW if storage is so expensive, those who keep the full blockchain available in the network should be rewarded, otherwise there is not much incentive to keep a growing blockchain in your hardrive.
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December 03, 2013, 02:19:16 PM
 #504

This could be really a problem. The mining reward is so tiny, why should people mine long-term? If the difficulty rises to 10 in about a week all home-users will be locked out, unless they use a pool. But an army of PrimeMiners + one or two pools will not build a stable network. It will be centralized. I'm still mining, but thinking everyday about stopping. The block reward compared to storage cost is ridiculously low. 500 DTC/block would make sense.

Radix - just imagine
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December 03, 2013, 02:50:29 PM
 #505

If you look at primecoin, you see the reward is still >10 /block. I think it will stay that way for datacoin too.
There was not much block mined <15 because the difficulity jumped really fast.

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cryptrol
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December 03, 2013, 02:57:32 PM
 #506

The block reward compared to storage cost is ridiculously low. 500 DTC/block would make sense.
A balance should be met between available storage and available coins, and storage should be expensive because you are paying for a distributed, permanent, censorship resistant storage.
However something must be done to reward those who keep that storage online, I recall a thread here in the alt section that talked about proof-of-storage . Maybe the dev wants to take a look at that thread.
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December 03, 2013, 03:05:28 PM
 #507

The block reward compared to storage cost is ridiculously low. 500 DTC/block would make sense.
A balance should be met between available storage and available coins, and storage should be expensive because you are paying for a distributed, permanent, censorship resistant storage.
However something must be done to reward those who keep that storage online, I recall a thread here in the alt section that talked about proof-of-storage . Maybe the dev wants to take a look at that thread.

I'm one of early adopters (yes, I'm speaking about it decently), and I donate to many people when they do anything for Datacoin, I'll donate to 'store files forever' project (look on main site), and any other projects that will be interesting and useful.
Both wallets use the whole blockchain, of course.

Reward is not 10x or 100x less than initial - it is only <2 times lower (compare it with many other coins that decreased 10x, 100x after such great difficulty increase)

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December 03, 2013, 03:06:25 PM
 #508

And yes, I'll ask developer if 'proof-of-store' can be added now, maybe it is possible.

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cryptrol
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December 03, 2013, 03:21:38 PM
 #509

And yes, I'll ask developer if 'proof-of-store' can be added now, maybe it is possible.
Maybe the dev is more interested in an open discussion here, instead of a private conversation with you Wink
Oh, and BTW I am not bashing early adopters (I have profited of being an early adopter of many coins), just stressing that putting most coins on hands of early adopters is not on the coins best interest IMHO.

TBH I am not much interested in trading Datacoin but I am really interested to see what can be built on top of it. It seems the OP has great plans (for example personal chains ) and would be great to be able to discuss some of them here (or elsewhere) with him.
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December 03, 2013, 04:12:08 PM
 #510

And yes, I'll ask developer if 'proof-of-store' can be added now, maybe it is possible.
Maybe the dev is more interested in an open discussion here, instead of a private conversation with you Wink
Oh, and BTW I am not bashing early adopters (I have profited of being an early adopter of many coins), just stressing that putting most coins on hands of early adopters is not on the coins best interest IMHO.

TBH I am not much interested in trading Datacoin but I am really interested to see what can be built on top of it. It seems the OP has great plans (for example personal chains ) and would be great to be able to discuss some of them here (or elsewhere) with him.

I meant that I'll ask developer to look at this message - not only private talk Smiley
Applications are coming, I'm sure - I have some info about it, but don't want to reveal all just now. Projects developers will release some info themselves soon Wink

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cryptrol
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December 03, 2013, 04:42:36 PM
 #511

What if i modify the data inside a transaction? How do other peers can protect themselves?
Seems something critical.
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December 03, 2013, 04:45:47 PM
 #512

What if i modify the data inside a transaction? How do other peers can protect themselves?
Seems something critical.
where do you want to modify it? In your local blockchain?

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mstfck
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December 03, 2013, 04:51:24 PM
 #513

When you send the file to the blockchain, it is not an executable, and it won't be. Base64 encoded bits. So no risk at all. After a transaction is sent you can't modify it.

I was inactive on this forum and apparently someone got my credentials and used my account in scams.
I have changed the password and I am sorry for any scam that occured.
cryptrol
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December 03, 2013, 05:21:54 PM
 #514

When you send the file to the blockchain, it is not an executable, and it won't be. Base64 encoded bits. So no risk at all. After a transaction is sent you can't modify it.

I mean, there is no check (that I know of ), on the data so that a malicious node could delete/overwrite/alter the data inside the blocks and seed to other peers that would download the wrong data causing havoc on the blockchain.
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December 03, 2013, 05:24:41 PM
 #515

When you send the file to the blockchain, it is not an executable, and it won't be. Base64 encoded bits. So no risk at all. After a transaction is sent you can't modify it.

I mean, there is no check (that I know of ), on the data so that a malicious node could delete/overwrite/alter the data inside the blocks and seed to other peers that would download the wrong data causing havoc on the blockchain.

mstfck answered you just after me - see post above

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cryptrol
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December 03, 2013, 05:26:35 PM
 #516

When you send the file to the blockchain, it is not an executable, and it won't be. Base64 encoded bits. So no risk at all. After a transaction is sent you can't modify it.

I mean, there is no check (that I know of ), on the data so that a malicious node could delete/overwrite/alter the data inside the blocks and seed to other peers that would download the wrong data causing havoc on the blockchain.

mstfck answered you just after me - see post above

In fact, I quoted his reply.
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December 04, 2013, 02:49:42 AM
 #517

What if i modify the data inside a transaction? How do other peers can protect themselves?
Seems something critical.

Data is signed with TxInput's keys. If you change data transaction's signatures become invalid. It's the same as if you change output address or locktime. No peer would accept tx into mempool with invalid signatures.
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December 04, 2013, 04:09:29 AM
 #518

Thanks, I'll also add this info to FAQs that I'm supporting

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December 04, 2013, 06:59:29 AM
 #519

I just thought, that including virus/malware code(not working) in blockchain can cause antivirus software to block/delete the chains.  Shocked
Of cousre you can exclude blockchains directory for antivirus, but there should be better solutions for this.



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maxsolnc
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December 04, 2013, 07:02:30 AM
 #520

I just thought, that including virus/malware code(not working) in blockchain can cause antivirus software to block/delete the chains.  Shocked
Of cousre you can exclude blockchains directory for antivirus, but there should be better solutions for this.

If all files are crypted with some key, it will be impossible for antivirus to find it. But if someone posts it here just bziped... hmm, maybe you're right. Anyway, it is not _big_ problem - your wallet will be safe anyway  Tongue We cannot make all users to encrypt data, but maybe later it will be implemented on top-level of Datacoin

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BTC: 1FgUGra685ZwkrX5VnRvfaYp4bHJhC7x4H
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