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3881  Bitcoin / Bitcoin Discussion / Re: We are at 3 transactions per second ... ! on: December 25, 2015, 09:09:21 PM
Roll Eyes and where is the rest of the transaction (the summary ?) ... in mempool ?

Full nodes still have both parts, the transaction and the signature. Same as before they dont store them in mempool once confirmed, but on disk.

when you need to emit transaction, you must have the complet transmission in the block.

so, SW help during the building block (before) ... but not when the block must be accepted.
so, the question is ... how many transaction (at the most) can be here in a block ?

2200 transactions in 10 min ?
3900 transactions in 10 min ?

SW would basically introduce a new type of transaction. Like we now have type 1 and pay2script hash (3), we get e.g. 4 (because 2 and 5 are taken) for segwit transactions. These new type of transactions would be significantly smaller because they store the signature outside of the part that counts. The signature part would also be only counted as 25% of its actual size. Once SW is introduced properly (soft fork first, hard fork later) it would be easy to introduce new transaction types, by just adding a new prefix with a soft fork. This could e.g. make pay to script hash significantly smaller, because you could define the script as "outside" of the transaction and no longer counting towards the blocksize limit.

It essentially reduces a TX (or the part that is counted towards the blocklimit) to "move coins from A to B".
3882  Economy / Reputation / Re: The BCT PGP/GPG Public Key Database: Stake Your PGP Key Here on: December 25, 2015, 07:29:29 PM
Did a quick search and found this[1] guide. Skimmed it and it looks fine to me. Just skip step 0, the rest guides you through installation, key generation and pubkey importing. You will mostly use kleopatra.

[1] https://www.deepdotweb.com/2015/02/21/pgp-tutorial-for-windows-kleopatra-gpg4win/
3883  Bitcoin / Development & Technical Discussion / Re: Vanitygen: Vanity bitcoin address generator/miner [v0.22] on: December 25, 2015, 07:21:15 PM
Can I generate a P2PKH address using vanitygen?

Kindly tell me the step by step process. I'm totally a noob regarding this generator. Embarrassed

Isn't a P2PKH just a normal address?  the hash of a pubkey?

Yes, they are probably refering to P2SH (pay to script hash), starting with 3. I tried it and vanitygen just accepts the value for "3" as prefix, but the result private key will still be seen as version 1 address and not as script by wallets. Its possible though, but I dont know of any fork of vanitygen that can do that.
3884  Bitcoin / Bitcoin Discussion / Re: Oldest pending bitcoin transaction? on: December 25, 2015, 11:56:20 AM
These are the oldest I have on my node:

Code:
    },
    "5fc37c3c83213ede44493f6684c4574c7a05b4785410232598f6f56d7be7b107" : {
        "size" : 14798,
        "fee" : 0.00015000,
        "time" : 1449906608,
        "height" : 387986,
        "startingpriority" : 58276000.00000000,
        "currentpriority" : 64022750.00000000,
        "depends" : [
        ]
    },
--
    },
    "24bbb4bfa51a05cf3a1026ac038f332235933faa2de8c39fd74f5ac423977e16" : {
        "size" : 14793,
        "fee" : 0.00015000,
        "time" : 1449906786,
        "height" : 387987,
        "startingpriority" : 62540795.45454545,
        "currentpriority" : 68691704.54545455,
        "depends" : [
        ]
    },
--
    },
    "1e4ffc00efb29024c46879308359d763bb7c1e642349b13ca13d85cac08c6d18" : {
        "size" : 14793,
        "fee" : 0.00015000,
        "time" : 1449906609,
        "height" : 387986,
        "startingpriority" : 58311227.27272727,
        "currentpriority" : 64057977.27272727,
        "depends" : [
        ]
    },
--
    },
    "fdeddea4a1ba3c18ff951300ad6dc23c442eac852d5a9dc013d0ee0a40beed38" : {
        "size" : 14787,
        "fee" : 0.00015000,
        "time" : 1449906732,
        "height" : 387987,
        "startingpriority" : 58167545.45454545,
        "currentpriority" : 63911409.09090909,
        "depends" : [
        ]
    },
--
    },
    "768450bf51d93566b6f2af63c4d69c3cedba4eab1acf3a4a747224bd6965403f" : {
        "size" : 14793,
        "fee" : 0.00015000,
        "time" : 1449906901,
        "height" : 387987,
        "startingpriority" : 57793272.72727273,
        "currentpriority" : 63537136.36363636,
        "depends" : [
        ]
    },
--
    },
    "91b1a7bf494dac486042cac83fea796549daed6e660aa728234c23740d86ab52" : {
        "size" : 14797,
        "fee" : 0.00015000,
        "time" : 1449906525,
        "height" : 387986,
        "startingpriority" : 62456659.09090909,
        "currentpriority" : 68610659.09090909,
        "depends" : [
        ]
    },
--
    },
    "bf93421120bb44df0c66859f2b2e775d7aeef57b887991966777f2e5da87d154" : {
        "size" : 402,
        "fee" : 0.00000001,
        "time" : 1449906583,
        "height" : 387986,
        "startingpriority" : 139640961.75000000,
        "currentpriority" : 219703949.69999999,
        "depends" : [
        ]
    },
--
    },
    "fdb7397550bc2db7cb2e7f3c8f834f727b938bfc3cc3ed73b12e2e88fccd8e55" : {
        "size" : 14796,
        "fee" : 0.00015000,
        "time" : 1449906537,
        "height" : 387986,
        "startingpriority" : 66573250.00000000,
        "currentpriority" : 73134500.00000000,
        "depends" : [
        ]
    },
--
    },
    "bf811cf9a5192dd5dc933a76cd37b2aa66ccde9d48121e66277c2a3883d6f756" : {
        "size" : 14799,
        "fee" : 0.00015000,
        "time" : 1449906865,
        "height" : 387987,
        "startingpriority" : 62375954.54545455,
        "currentpriority" : 68526863.63636364,
        "depends" : [
        ]
    },
--
    },
    "ad72ce896a8764b9e8096d889c246d96faca239d19e03c1b0d1a550daaa66759" : {
        "size" : 14793,
        "fee" : 0.00015000,
        "time" : 1449906954,
        "height" : 387987,
        "startingpriority" : 57955931.81818182,
        "currentpriority" : 63699795.45454545,
        "depends" : [
        ]
    },
--
    },
    "01eb260015931eb65da9bb0d974aabcf3ff5812215a73ec4bbccf7c84f5a2a86" : {
        "size" : 14793,
        "fee" : 0.00015000,
        "time" : 1449906523,
        "height" : 387986,
        "startingpriority" : 66775636.36363637,
        "currentpriority" : 73336886.36363637,
        "depends" : [
        ]
    },
--
    },
    "3d92537d300a50c73dac1735915904d254684ffc7ea06026b3206d56dab671c1" : {
        "size" : 14788,
        "fee" : 0.00015000,
        "time" : 1449906556,
        "height" : 387986,
        "startingpriority" : 62346250.00000000,
        "currentpriority" : 68500250.00000000,
        "depends" : [
        ]
    },
--
    },
    "169845865a23a10524a8424cf26a4bbad813b9d2c3d4925c168f5bb917e9ccc9" : {
        "size" : 14795,
        "fee" : 0.00015000,
        "time" : 1449906612,
        "height" : 387986,
        "startingpriority" : 83966454.54545455,
        "currentpriority" : 92156704.54545455,
        "depends" : [
        ]
    },
--
    },
    "ed7684a27b480dfc02f60d948b096609b044feaba297d2d4238c0b09f01f0fd5" : {
        "size" : 14789,
        "fee" : 0.00015000,
        "time" : 1449906669,
        "height" : 387986,
        "startingpriority" : 58019272.72727273,
        "currentpriority" : 63766022.72727273,
        "depends" : [
        ]
    },
--
    },
    "521bd27ffcb8f9bc9dfbd1584491ec19e461092cb29601715c92fee488cd34dd" : {
        "size" : 14791,
        "fee" : 0.00015000,
        "time" : 1449906582,
        "height" : 387986,
        "startingpriority" : 58155204.54545455,
        "currentpriority" : 63901954.54545455,
        "depends" : [
        ]
    },
--
    },
    "be2feb77d8705dddd7ee0db9a23f47cc2cfcb55fd22283c91376f9b78d7363e3" : {
        "size" : 14784,
        "fee" : 0.00015000,
        "time" : 1449906591,
        "height" : 387986,
        "startingpriority" : 58136818.18181818,
        "currentpriority" : 63883568.18181818,
        "depends" : [
        ]
    },


If you want to look them up you will most likely not find them on blockchain.info, try blocktrail or other explorers, they tend to keep TX longer.

how you see this isn your node and what that means?

 "startingpriority" : 58136818.18181818,
        "currentpriority" : 63883568.18181818,

i mean how you see the time and the time that is needing to take a confirmation? Something else i like to ask if you can search specific transactions in a bitcoin node.


Forgot the exact command, but it was something like:

Code:
bitcoin-cli getrawmempool true | grep 'time\" : 144990' --after-context=8 --before-context=2

Could have probably used awk/sed and sort to make it less work to find low time values by hand.
3885  Other / Archival / Re: Updated Overview of Bitcointalk Signature-Ad Campaigns on: December 25, 2015, 11:47:38 AM
Moved E-Coin pay/post to active for the last term
Removed Bitcoin Scratchticket, URL is not reachable
Added Coinbet24
Added Human Resources Fixed & per post
Moved CryptoTotal & YABTCL.com to active (they paid and still accept participants)

-> http://pastebin.com/43RgPRUh
3886  Bitcoin / Bitcoin Discussion / Re: Oldest pending bitcoin transaction? on: December 24, 2015, 01:09:32 PM
These are the oldest I have on my node:

Code:
    },
    "5fc37c3c83213ede44493f6684c4574c7a05b4785410232598f6f56d7be7b107" : {
        "size" : 14798,
        "fee" : 0.00015000,
        "time" : 1449906608,
        "height" : 387986,
        "startingpriority" : 58276000.00000000,
        "currentpriority" : 64022750.00000000,
        "depends" : [
        ]
    },
--
    },
    "24bbb4bfa51a05cf3a1026ac038f332235933faa2de8c39fd74f5ac423977e16" : {
        "size" : 14793,
        "fee" : 0.00015000,
        "time" : 1449906786,
        "height" : 387987,
        "startingpriority" : 62540795.45454545,
        "currentpriority" : 68691704.54545455,
        "depends" : [
        ]
    },
--
    },
    "1e4ffc00efb29024c46879308359d763bb7c1e642349b13ca13d85cac08c6d18" : {
        "size" : 14793,
        "fee" : 0.00015000,
        "time" : 1449906609,
        "height" : 387986,
        "startingpriority" : 58311227.27272727,
        "currentpriority" : 64057977.27272727,
        "depends" : [
        ]
    },
--
    },
    "fdeddea4a1ba3c18ff951300ad6dc23c442eac852d5a9dc013d0ee0a40beed38" : {
        "size" : 14787,
        "fee" : 0.00015000,
        "time" : 1449906732,
        "height" : 387987,
        "startingpriority" : 58167545.45454545,
        "currentpriority" : 63911409.09090909,
        "depends" : [
        ]
    },
--
    },
    "768450bf51d93566b6f2af63c4d69c3cedba4eab1acf3a4a747224bd6965403f" : {
        "size" : 14793,
        "fee" : 0.00015000,
        "time" : 1449906901,
        "height" : 387987,
        "startingpriority" : 57793272.72727273,
        "currentpriority" : 63537136.36363636,
        "depends" : [
        ]
    },
--
    },
    "91b1a7bf494dac486042cac83fea796549daed6e660aa728234c23740d86ab52" : {
        "size" : 14797,
        "fee" : 0.00015000,
        "time" : 1449906525,
        "height" : 387986,
        "startingpriority" : 62456659.09090909,
        "currentpriority" : 68610659.09090909,
        "depends" : [
        ]
    },
--
    },
    "bf93421120bb44df0c66859f2b2e775d7aeef57b887991966777f2e5da87d154" : {
        "size" : 402,
        "fee" : 0.00000001,
        "time" : 1449906583,
        "height" : 387986,
        "startingpriority" : 139640961.75000000,
        "currentpriority" : 219703949.69999999,
        "depends" : [
        ]
    },
--
    },
    "fdb7397550bc2db7cb2e7f3c8f834f727b938bfc3cc3ed73b12e2e88fccd8e55" : {
        "size" : 14796,
        "fee" : 0.00015000,
        "time" : 1449906537,
        "height" : 387986,
        "startingpriority" : 66573250.00000000,
        "currentpriority" : 73134500.00000000,
        "depends" : [
        ]
    },
--
    },
    "bf811cf9a5192dd5dc933a76cd37b2aa66ccde9d48121e66277c2a3883d6f756" : {
        "size" : 14799,
        "fee" : 0.00015000,
        "time" : 1449906865,
        "height" : 387987,
        "startingpriority" : 62375954.54545455,
        "currentpriority" : 68526863.63636364,
        "depends" : [
        ]
    },
--
    },
    "ad72ce896a8764b9e8096d889c246d96faca239d19e03c1b0d1a550daaa66759" : {
        "size" : 14793,
        "fee" : 0.00015000,
        "time" : 1449906954,
        "height" : 387987,
        "startingpriority" : 57955931.81818182,
        "currentpriority" : 63699795.45454545,
        "depends" : [
        ]
    },
--
    },
    "01eb260015931eb65da9bb0d974aabcf3ff5812215a73ec4bbccf7c84f5a2a86" : {
        "size" : 14793,
        "fee" : 0.00015000,
        "time" : 1449906523,
        "height" : 387986,
        "startingpriority" : 66775636.36363637,
        "currentpriority" : 73336886.36363637,
        "depends" : [
        ]
    },
--
    },
    "3d92537d300a50c73dac1735915904d254684ffc7ea06026b3206d56dab671c1" : {
        "size" : 14788,
        "fee" : 0.00015000,
        "time" : 1449906556,
        "height" : 387986,
        "startingpriority" : 62346250.00000000,
        "currentpriority" : 68500250.00000000,
        "depends" : [
        ]
    },
--
    },
    "169845865a23a10524a8424cf26a4bbad813b9d2c3d4925c168f5bb917e9ccc9" : {
        "size" : 14795,
        "fee" : 0.00015000,
        "time" : 1449906612,
        "height" : 387986,
        "startingpriority" : 83966454.54545455,
        "currentpriority" : 92156704.54545455,
        "depends" : [
        ]
    },
--
    },
    "ed7684a27b480dfc02f60d948b096609b044feaba297d2d4238c0b09f01f0fd5" : {
        "size" : 14789,
        "fee" : 0.00015000,
        "time" : 1449906669,
        "height" : 387986,
        "startingpriority" : 58019272.72727273,
        "currentpriority" : 63766022.72727273,
        "depends" : [
        ]
    },
--
    },
    "521bd27ffcb8f9bc9dfbd1584491ec19e461092cb29601715c92fee488cd34dd" : {
        "size" : 14791,
        "fee" : 0.00015000,
        "time" : 1449906582,
        "height" : 387986,
        "startingpriority" : 58155204.54545455,
        "currentpriority" : 63901954.54545455,
        "depends" : [
        ]
    },
--
    },
    "be2feb77d8705dddd7ee0db9a23f47cc2cfcb55fd22283c91376f9b78d7363e3" : {
        "size" : 14784,
        "fee" : 0.00015000,
        "time" : 1449906591,
        "height" : 387986,
        "startingpriority" : 58136818.18181818,
        "currentpriority" : 63883568.18181818,
        "depends" : [
        ]
    },


If you want to look them up you will most likely not find them on blockchain.info, try blocktrail or other explorers, they tend to keep TX longer.
3887  Other / Meta / Re: Is it possible to recognize that someone is using 2nd hand account? on: December 24, 2015, 11:24:10 AM

You failed as you cant explain why it should be less likely for a Jr. to scam than it would be for a Newbie to scam. The ranks vary obviously. From what I see in the scam accusation thread, the largest chunks are newbies. When newbie are no longer allowed to post in the marketplace section it is my assumption that they would either result to PMs (you might want to restrict that as well?) or just wait until they are Jr. Again having waiting 30 days so not make anyone trustworthy.


Yes, why not? Instead of showing the Red warning just ban the feature of allowing Newbies to send PMs.
If they want to say something to someone, let it be in open. Anyways, they would not be allowed to trade so they won't be leaking out their payment processor information.

"Leaking out their payment processor information?" What does that mean?

I dont see how it will result in less scams. If anything it will result in no scams by newbies and more scams by Jr. members.

No, some to the largest scams have been pulled by established members. E.g. see tradefortress, the user once on default trust, now banned (not for the scam) and with the lowest possible trust score (-9999).

Read that wrong.

What makes you think that is true?
What makes you think that's wrong?

I see high ranked members getting scammed with the easiest schemes.
3888  Bitcoin / Bitcoin Technical Support / Re: Problem with bitcoin core on: December 24, 2015, 11:20:49 AM
Thanks for replying fast!

shorena : in debug.log (it is called only "debug") the last messages are :

"2015-12-23 22:56:38 ERROR: CheckProofOfWork(): nBits below minimum work
2015-12-23 22:56:38 ERROR: ReadBlockFromDisk: Errors in block header at CBlockDiskPos(nFile=27, nPos=119786418)
2015-12-23 22:56:38 *** Failed to read block"


goldtiger69 : Yes,but I've already exchanged my 2 two files (wallet.dat,debug,blocks,chainstate,......). I know the location of this fles,I'm using Windows.
                   I've just retry to exchange the data (the old wallet.dat and the last),and it is the same... I can't open Bitcoin Core,after the loading of   blocks.                     

As GoldTiger69 said delete all files in the folders blocks and chainstate you will need to redownload bitcoin core.

Alternativly you can try to just delete file 27 (so blk00027.dat and rev00027.dat in blocks), but IIRC it does not help.

You might also want to check if you have anti virus software running that might cause the issue. You should exclude the blocks and chainstate folder as someone uploaded virus signatures into the blockchain a while back.

Finally it might be a sign that your disk is failing.
3889  Other / Meta / Re: Is it possible to recognize that someone is using 2nd hand account? on: December 24, 2015, 10:49:53 AM
-snip-
I have not studied law. So, can not think of better arguments to convince you.

What?

-snip-
None of the admin/mod is supposed to spend 24 hours on this forum.
If you read my earlier replies, I am asking for rules/policies to be implemented by coding these features not manual intervention.
Once they're coded then its all automated, there is no moderation required.

Your only suggestion in that regard was to prevent newbies from using the marketplace section. You failed to establish how that would reduce the number of scams.

How did I fail? Can you tell me whats the account statuses of users involved in scams?

You failed as you cant explain why it should be less likely for a Jr. to scam than it would be for a Newbie to scam. The ranks vary obviously. From what I see in the scam accusation thread, the largest chunks are newbies. When newbie are no longer allowed to post in the marketplace section it is my assumption that they would either result to PMs (you might want to restrict that as well?) or just wait until they are Jr. Again having waiting 30 days so not make anyone trustworthy.

If you are on this forum for lets say 2-3 months then the likeliness/probability of this user being completely unaware of how scammers work reduces to some extent.

No, some to the largest scams have been pulled by established members. E.g. see tradefortress, the user once on default trust, now banned (not for the scam) and with the lowest possible trust score (-9999).

Read that wrong.

What makes you think that is true?
3890  Bitcoin / Development & Technical Discussion / Re: What is the fastest way to download the entire blockchain? on: December 24, 2015, 10:17:37 AM
I tried torrenting and it is going to take me more than 24 hours since there isn't many seeds around. Is there a direct link where I could do wget?

The fastest way is to run bitcoin core. Any other method of downloading either requires you to verify the download later or trust someone else. If you verify it later instead of while downloading you lose time. If you have to trust someone else you failed to see the point in running a full node.
3891  Other / Meta / Re: Is it possible to recognize that someone is using 2nd hand account? on: December 24, 2015, 10:16:03 AM
If you go by my 1st logic: Selling accounts SHOULD NOT be permitted. If you sell your account even on other site then also you are held responsible for anything that happens with this account. Lets say if your account is hacked then forum admin can drop an e-mail to your registered e-mail id & inform you to login ASAP and see what's wrong with the account. Similarly if hacker did any scam using your a/c then you should repay for the losses.

So I get a mail, how does that hold me responsible for a scam with the account I just sold off-site?

You will have scam accusation thread against YOU. 
In any case, if you have sold the account then you won't care about what's happening with your account BUT if we had this POLICY that accounts can not be sold then YOU would have been held responsible for this & YOUR account should have been banned.

How? You just have my mail address.

If you'll have some self-respect then you would get guilty conscious.
In any case it'll prevent others from being scammed by adopting the same technique.

So your only actualy defense against scammer is the hopes that they will have a guily conscious? Im not convinced.

-snip-
None of the admin/mod is supposed to spend 24 hours on this forum.
If you read my earlier replies, I am asking for rules/policies to be implemented by coding these features not manual intervention.
Once they're coded then its all automated, there is no moderation required.

Your only suggestion in that regard was to prevent newbies from using the marketplace section. You failed to establish how that would reduce the number of scams.
3892  Other / Meta / Re: Is it possible to recognize that someone is using 2nd hand account? on: December 24, 2015, 10:03:52 AM
If you go by my 1st logic: Selling accounts SHOULD NOT be permitted. If you sell your account even on other site then also you are held responsible for anything that happens with this account. Lets say if your account is hacked then forum admin can drop an e-mail to your registered e-mail id & inform you to login ASAP and see what's wrong with the account. Similarly if hacker did any scam using your a/c then you should repay for the losses.

So I get a mail, how does that hold me responsible for a scam with the account I just sold off-site?

You will have scam accusation thread against YOU.  
In any case, if you have sold the account then you won't care about what's happening with your account BUT if we had this POLICY that accounts can not be sold then YOU would have been held responsible for this & YOUR account should have been banned.

How? You just have my mail address.
3893  Other / Meta / Re: Is it possible to recognize that someone is using 2nd hand account? on: December 23, 2015, 11:37:04 PM
You missed the point. If account sales are no longer allowed here, it does not mean that accounts are not sold. They will be sold elsewhere, but still used here.

Agreed but then knowingly we are not digging holes for ourselves.

Yes, its happening in the dark where its difficult to see.

What in your personal opinion is the better way to make this a less prone to scams forum?
One where staff tries the impossible, to prevent all scams or one where each user learns about the way of the scammers and is able to protect themself?
something, something, fish, feed him for a lifetime.
Implement proper & effective rules to access market place rather than implementing worthless rule of not having referral link as part of OP.
Staff does not have to do anything if there is a rule to access market place.
For Example: Account less than Junior Member & registered for 30 days should not have access to deal.

But for a scammer its easy to just farm accounts for 30 days and use them for scams later. They haven an incentive to do this, because they can possible come out ahead, esp. if the majority of users consider Jr. accounts trustworthy. Someone that just wants to make deals might be driven away because they dont bother with the grinding.

It would be an automated process and no staff involvement once this feature is coded.

Lets just put the above aside and lets assume somehow account sales do not happen. Do you honestly consider someone trustworthy just because they have been here for 30 days? 60 days? 180 days? 770 days? You should not. You should no one here consider trustworthy because of time. If anything you can trust someone because they have something to lose. E.g. I have 770 days I put into this account to lose. What you cant know is how much in BTC that is worth to me. Some escrows and services have shown they can be trusted with 1000's of BTC. How do you know its them? Verify the PGP signed message they provide. Its more beneficial for them to stay honest than it is to run away with 2-3 btc.

For anyone to learn how to protect themselves against scams, it need time. They would learn in the 30 days period that how does scammers work & would become more capable of protecting themselves from scam if the above mentioned rule is implemented.

People dont read stickies, they ask the same questions - answered in those stickies - over and over and over and over again. There are at least 2-3 posts a week that ask how activity works. Do you honestly think you can just make a marketplace sticky and people will be educated? It does not only need time it also needs a strong motivation and the best motivation is: no one can help you if you fuck up. Bitcoin can not be reversed. If you are willing to take the risk to trade it for paypal that can be reversed for 180 days, be aware of the risk. Once the scam happened your coins are gone and there is nothing you can do about it. This is the strongest motivation I can think of for someone to learn and understand how trading with bitcoin works.

What exactly do you mean with "responsible"? Lets say I sell my account and it is used to steal 1 BTC from you. What now?
You sell your a/c anywhere other than the forum then it means you no longer want to keep that account and then you should probably create a thread on this forum that you are about to sell your account and you would not be responsible for any deals done after that date.

Yes, but you suggested I will be held responsible for the actions of the acount even after I sold it. I ask you how you will be able to make me responsible.
3894  Local / Anfänger und Hilfe / Re: Bitcoinadresse ändern on: December 23, 2015, 11:23:31 PM
Erstmal vielen Dank für die Antwort. Ich drehe mich aber die ganze Zeit im Kreis und kapier es nicht (die Uhrzeit und das Bier machen es nicht einfacher...):

Ich habe z.b. 4 Empfangsadressen in meinem Wallet. Versende ich dann die ganze Zeit mit der gleichen Sendeadresse? Nach deiner Antwort ja nicht, was ich aber nicht verstehe. Denn wenn z.b. :

Adresse 1   0,2btc
Adresse 2   0,1btc
Adresse 3   0,2btc
Adresse 4   0,2btc

hat und ich 0,6btc versende, welche Sendeadresse benutzt es dann?

Kommt drauf an, aber vermutlich 1,3 und 4 da so am einfachsten 0,6 BTC zusammen kommen. Je nach Software spielen aber auch andere Faktoren mit rein. Wie z.B. das Alter der Bitcoin. Wichtiger ist auch nicht auf welchen Adresse du Bitcoin empfangen hast, sondern durch wieviele Transaktionen. Du kannst ja auf einer Adresse beliebig viele Bitcoin in beliebig viele Häppchen empfangen. Mehr dazu weiter unten.

Ich bin auf die Frage wegen der IOTA Ipo gestoßen, da man nochmals einen "Verifizierungsbetrag" mit der gleichen Adresse wie den Investitionsbetrag senden soll. Und da wollte ich nicht falsch machen.
Zweitens hat mich dies auf die Frage gebracht, ob ich nicht auch bewußt unterschiedliche Sendeadressen verwenden kann.

Das kommt auf die Wallet Software an. Bitcoin Core erlaubt zum Beispiel Eingänge (also die in der Vergangenheit erhaltenen und jetzt benutzen Bitcoin) explizit zu wählen.

Hier mal als Beispiel meine leicht zensierte Wallet.



In der ersten Zeile habe ich z.B. ca. 0,1 BTC auf einer Adressen mit einer Transaktion empfangen.
In der zweiten Zeile habe ich insgesamt 0,17 BTC auf einer Adresse mit zwei Transaktionen empfangen.

Weiter unten sind die Spenden für meinen Server, 15 Transaktionen für insgesamt ~0,26 btc. Ich hab da mal die einzelnen Eingänge die ich wählen könnte aufgeklappt.

Ich kann jetzt eine TX von der ersten Zeile, je eine von der 2. und 3. Zeile und alle vier TX von der 6. Zeile wählen und hab dann ~0,4 BTC zur Verfügung. Alle involvierten Adresen dazu werden dann als "Absenderadressen" angezeigt. Eigentlich wird aber auf die jeweiligen Transaktionen verwiesen.
3895  Other / Meta / Re: Is it possible to recognize that someone is using 2nd hand account? on: December 23, 2015, 11:06:59 PM
-snip-
Sorry but why would you care if scammer scams on another website?

You missed the point. If account sales are no longer allowed here, it does not mean that accounts are not sold. They will be sold elsewhere, but still used here.

Should we not focus on making https://bitcointalk.org a better/less prone to scam forum?

What in your personal opinion is the better way to make this a less prone to scams forum?

One where staff tries the impossible, to prevent all scams or one where each user learns about the way of the scammers and is able to protect themself?

something, something, fish, feed him for a lifetime.

By banning a/c sales and making user who registered with that a/c responsible for any/all scam that happens with that account would prevent at least 0.01% of the scams?

What exactly do you mean with "responsible"? Lets say I sell my account and it is used to steal 1 BTC from you. What now?

In most of the cases looking at the evidences it should not be that difficult to decide who scammed.

Its easy in hindsight, isnt it?
3896  Bitcoin / Bitcoin Technical Support / Re: Problem with bitcoin core on: December 23, 2015, 11:02:44 PM
Hi everyone!

I'm a young french boy,so my language is not too "perfect"!

I need some help from you...

I've a problem with bitcoin core : I was refreshing (synchronizing) it,but,suddenly,it told me on the window : "Error : a fatal internal error occurred,see debug.log for details."

Since this,it's IMPOSSIBLE to open it... The message appears when the blocks are "checking" (with %). Same,after re-installed it 4 times. (last time 10 minutes ago)
I've save my first "wallet.dat"(this where I had money),the problem is that I can't open bitcoin core...

I had some money on my wallet,and I wouldn't want to lost it... Does someone can help me?


Thank you early! And tell me if you don't understand something!

Your coins are fine, the question is what the best way to fix the issue is.

What does it say in the debug.log?
3897  Local / Anfänger und Hilfe / Re: Bitcoinadresse ändern on: December 23, 2015, 10:54:13 PM
Hi,
stehe hier gerade auf m Schlauch und bräuchte Hilfe.

Eine neue Empfangsadresse zu erhalten ist ja kein Problem. Aber ist es auch möglich, eine neue Sendeadresse zu generieren? Und wieso ist mir die Frage erst nach 2 Jahren eingefallen.... Cheesy

Jain. Sendeadressen im Sinn von "Adresse von der aus Bitcoin versendet werden" existieren eigentlich gar nicht. Daher kann man sich auch nicht explizit bestimmen. Das was einem angezeigt wird, ist die Adresse die genau die Bitcoin die gerade verwendet werden, in der Vergangenheit empfangen haben.

Wenn Du die Adresse also ändern willst die angezeigt wird, dann musst du die Bitcoin vorher an diese eigene Adresse senden.
3898  Other / Beginners & Help / Re: How to sign a message?! on: December 23, 2015, 10:14:02 PM
hi shorena,Can you help me restore my account has been stolen ?
name: Altynbekova
btc address: 16DGWwDyKcd4jsig7ehvTkeLmVTmebduAy
email: lalurizkirno@gmail.com
and everything has been replaced.

No, only admins can do that. They usually require a signed message though. If the guides above are not helping, let me know which wallet software/service you use. I can check whether they allow signing and make a guide is possible.
no signed message, its addres on yobit

Sorry, that means admins will probably not restore your account.
3899  Bitcoin / Wallet software / Re: What's the best way to watch the balance of hundreds of thousands of addresses? on: December 23, 2015, 08:45:57 PM
You'd need a custom solution. I think there was a program some time ago that just looked up all the top thousand addresses by going through the blockchain.

One way to do this is to brute force searching the blockchain by keeping it ALL in memory, as doing it on a HDD or even SSD would be too slow. There are used servers that have 100+ GBs of RAM you can buy on ebay. If you are a business, then you must have server hardware. And then there is the rent-a-cloud solution.

I'm pretty sure there is a more elegant way though.


A blockchain explorer of your own, like ABE[1] could be a solution. Alternativly if time is not an issue you could check them through an API. If you have 100k addresses and assume 2 requests per second a cycle would take ~14 hours. Should be a reasonable enough response time. This is easily within free limits of e.g. blocktrail[2] and would only need a few lines of code.

[1] https://en.bitcoin.it/wiki/Abe
[2] https://www.blocktrail.com/api/docs#rate_limits
3900  Bitcoin / Bitcoin Technical Support / Re: 0 confirmations after 10 hours, 0.0001 tx fee, what's wrong? on: December 23, 2015, 08:27:09 PM
that might happen pretty often for quite some time for quite many transactions now
blocksize problem is starting to show

The average block size is still only @0.75[1], the typical time to wait for a confirmation is if anything lower than it was for most of the year[2]. The cost per transaction is the lowest over the last 2 years[3].

Its not as dramatic as you try to make it.

[1] https://blockchain.info/charts/avg-block-size
[2] https://blockchain.info/charts/avg-confirmation-time
[3] https://blockchain.info/charts/cost-per-transaction?timespan=2year&showDataPoints=false&daysAverageString=1&show_header=true&scale=0&address=
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