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101  Economy / Exchanges / Re: BTC2BID.com - A new person to person exchange platform - 10 USD Bonus on: July 12, 2016, 08:04:40 PM
I like the concept, but I wouldn't use it in the present state.    Or would fake the phone number.

Feature Request:  make sharing phone number with your server optional.  Allow parties to exchange this info privately via email when they are ready.

Not everyone wants to share their contact info with a 3rd party in their database.   Even email would be best if it can be exchanged directly p2p and not through server.
102  Bitcoin / Development & Technical Discussion / Re: Sidechains cross-chain atomic swaps in payment channels on: July 11, 2016, 08:46:09 PM
I keep hearing the streaming service used as an example, but is there any evidence that people actually wish to pay for content that way?

It seems to me that many/most people prefer paying once a month (auto-renew) or once a year for a streaming service and after that it's all you can eat.   Psychologically if I have to pay some precious BTC to watch a movie or TV show, even if I know it is only millibits, I'll normally pass.  This is true also for Amazon Prime, where I watch all the prime content, but have never once paid for the a-la-carte content. 

Setting up the recurring once-a-month plan is typically a one-time event.  There is a mental cost to making spending decisions, so people tend to prefer fewer of them, even ironically if money could be saved the other way.

I think the same psychology applies to the other common example of monetizing web pages ( articles, etc ).   People are used to stuff being "free" and there is enough content available and attention spans so short that I question the number of willing buyers. 

Browser / advert integration such as Brave is interesting... they could use Lightning micropayments to the end-users for viewing adverts. 

Where I could also see it working is for playing video games.  Though even in that industry services like Steam are now offering all-you-can-eat, as I understand it.

It will be interesting to see how it all plays out, but I certainly wouldn't stick all my eggs in the micropayments for content basket.

103  Bitcoin / Bitcoin Discussion / Re: Let's Control the Future Value of Bitcoin on: July 11, 2016, 08:28:14 PM
Segwit may provide a bump, but the next wave of serious bitcoin expansion will probably take place once Lightning Network is in place and well supported by most toolchains and wallets.   At that point, scalability concerns should mostly go away and high volume businesses/industries can begin onboarding.   Until then.... hodl.
104  Bitcoin / Bitcoin Discussion / Re: Reponse to Roger Ver's "Time to End the Block-Size Blockade" essay on: July 07, 2016, 04:52:34 PM
The simplest response to Roger's essay is this:

Consensus layer changes only happen if there is widespread consensus that the change needs to happen. Increasing the blocksize is controversial.  It does not have consensus and likely never will.  Therefore, the blocksize limit will not be increased.

105  Alternate cryptocurrencies / Mining (Altcoins) / Re: ETH miner clCreateBuffer(-61) GPU can't allocate the DAG in a single chunk on: June 29, 2016, 05:33:15 PM
If this doesn't work for you, try the chunked ethminer I posted above.

Quote
You need:
setx GPU_FORCE_64BIT_PTR 0
setx GPU_MAX_HEAP_SIZE 100
setx GPU_USE_SYNC_OBJECTS 1
setx GPU_MAX_ALLOC_PERCENT 100
setx GPU_SINGLE_ALLOC_PERCENT 100

106  Bitcoin / Bitcoin Discussion / Re: This asshole published my private key! on: June 29, 2016, 05:21:29 PM
I suspect OP is a PAID troll.   added to ignore list.
107  Alternate cryptocurrencies / Altcoin Discussion / Re: [ETH] FIX -can't allocate dag (if you have 2gb gpu) on: June 29, 2016, 06:14:00 AM
anyone having DAG alloc trouble with older cards, see here.

OK, I tried the modification. Still no go, same error... Sad
108  Alternate cryptocurrencies / Mining (Altcoins) / Re: I can no longer mine ethereum.. :( on: June 29, 2016, 06:13:20 AM
anyone having DAG alloc trouble with older cards, see here.
109  Alternate cryptocurrencies / Mining (Altcoins) / Re: ETH miner clCreateBuffer(-61) GPU can't allocate the DAG in a single chunk on: June 29, 2016, 05:47:31 AM
I fixed it!   at least it works for me.

I was having the same problem with a couple R9 270s and even (sometimes) a 7970 3Gb card.

I created ethminer-genoil-chunked: a fork of genoil's miner (from March) that includes a patch from equinox for chunked mining.  (The patch was for official ethminer but was never accepted.)  All my GPUs are busily mining eth again.

Sorry, no binaries.  You will need to compile it yourself.  Instructions are in the README.

happy mining.

anybody cured this problem yet, running r9 270 2gb, around 3am this morn it refused to mine ETH, miner clCreateBuffer(-61) GPU can't allocate the DAG in a single chunk, tried all the setx options but still no joy.....

any info gratefully appreciated
110  Bitcoin / Development & Technical Discussion / Re: Mass bitcoin address balance checker on: June 26, 2016, 11:47:29 PM
it's not exactly what you are asking for, but bitprices can show you all transactions and a total balance for all the addresses with historical prices, as if they belonged to a single wallet.  ( even if they don't. )

Hey guys,

I have a list of a few bitcoin addresses (around 2.000) and I am searching for a tool / a programm to see the balance of all the addresses.
If you know a programm / tool like this please tell me about this. Smiley

Best regards,

Patrick
111  Alternate cryptocurrencies / Mining (Altcoins) / Re: ethminer-0.9.41-genoil-1.0.6 on: June 18, 2016, 11:08:04 PM
There is demand for DAG chunking support right here!     My R9 270 cards can't load the DAG and I've tried every single recipe for env vars.

Is your Apr 15 chunking code committed somewhere?   I cloned your github repo and searched through every branch but I can't seem to find it.  I did find some commented out code with a comment that it is disabled because chunking never finds a block.  I uncommented it, and now at least the GPU is hashing, but yeah so far not seeing any shares.

I can't run your binaries because I'm on linux.  But I can build from source no prob.

kinda stuck at this point, help appreciated!

EDIT:   The card just found a successful share!  happy day.    The GPU is running slower than I expected, about 12 Mh/s vs 18 or so for my 7970s.

I finally got DAG chunking working today. Not that it's really required now that the right AMD environment vars have been found. If there happens to be demand for it anyway, please let me know so I can implement it in a clean way that doesn't hurt the non-chunked version. Because on AMD chunking does negatively affect performance.
112  Economy / Service Announcements / Re: [ANN] Joinmarket - Coinjoin that people will actually use on: June 07, 2016, 05:12:39 PM
In the spirit of "Coinjoin that people will actually use", I'm wondering if any of the regular bitcoin wallets have integrated joinmarket, or have announced any plans to do so?

Along these lines...

Is there a joinmarket API that would make it straightforward for a wallet to integrate?

Has any effort been made to approach wallet makers?

If not, perhaps we should open issues requesting joinmarket support on their respective github pages.

113  Bitcoin / Bitcoin Discussion / Re: Blockchain Mentioned As Way To Make Voting Secure at Libertarian Convention on: May 29, 2016, 07:33:37 PM
Perhaps it can be done.  But it doesn't interest me.

1)  immoral.  Voting by definition implies imposing one's values onto others and limiting their freedoms by way of government force.   In a free society, voting would be a useless act as the government would have no power in the first place.

2)  statistics.  Except in small local elections your individual vote is basically irrelevant.  statistically insignificant.  People have a greatly inflated sense of "how much is my vote worth" that does not correspond to reality/math.  Sadly this gives rise to "I will vote for the lesser of two evils" instead of "voting my conscience" because "I don't want to waste my vote".  This flawed thinking maintains the status quo.
114  Economy / Service Announcements / Re: [ANN] Joinmarket - Coinjoin that people will actually use on: May 28, 2016, 12:19:14 AM
Hi, I found the output of wallet-tool.py hard to read so I made a patch that formats the output into text tables with borders.

Here's a very basic example:

Code:
+-----------+---------------+
| Mix Depth | Balance       |
+-----------+---------------+
|         0 | 0.34898343btc |
|         1 | 0.23468934btc |
|         2 | 0.23123434btc |
|         3 | 0.82397493btc |
|         4 | 0.22356223btc |
+-----------+---------------+
| total:    | 1.84839232btc |
+-----------+---------------+

Wallet addrs and history are also in tables.

Pull request is here:  
https://github.com/JoinMarket-Org/joinmarket/pull/539

If anyone wishes to try it before the pull request is approved, you could clone from my repo at:
https://github.com/dan-da/joinmarket
115  Bitcoin / Bitcoin Discussion / Re: Help Andreas! on: May 25, 2016, 07:36:14 PM
thread fail.
116  Economy / Service Discussion / Re: CCCB: Coinbase is close to Bankruptcy on: May 24, 2016, 11:37:16 PM
I get the feeling that this thread is pure FUD. 

But what if it wasn't?  What if CoinBase disappeared next month?

Bitcoin would go on.  It might take another reputation hit and a price hit.  Maybe VC funding dries up and bitcoin stays low for months or years out of the mainstream, forgotten by the media.

I think that might be a great thing.  It is much better for bitcoin to spread organically, person to person, peer to peer.   With people learning and holding their own keys rather than blindly trusting yet another bank that acts like big brother: papers please, oops sorry your funds are frozen.

Meanwhile, scaling solutions start to come online and mature.

I wouldn't miss coinbase at all.
117  Bitcoin / Bitcoin Discussion / Re: Autumn Ratke was right into Bitcoin even in 2012 on: May 23, 2016, 08:06:42 PM
sad.
118  Economy / Exchanges / Re: Can Coinbase be any worse? on: May 23, 2016, 04:19:46 AM
The question is:  why is the OP using coinbase at all?   hasn't learned his (or her) lesson yet I guess...
119  Bitcoin / Development & Technical Discussion / Re: What makes an unconfirmed tx 'suspicious'? (likely to be replaced or never confi on: May 18, 2016, 05:39:00 PM
zero confirmations make it suspicious.  period.

solution:  wait for at least 1 confirmation.  more if high value.

otherwise if you feel you must accept zero conf, then I would think the most cost effective manner would be to (a) put a limit on the highest value tx you will receive with 0 conf, and (b) track the number of double-spends you encounter along with the avg amount lost and factor those into your business model.

or just:  wait for lightning network to mature.
120  Bitcoin / Bitcoin Technical Support / Re: Bitcoin Api on: May 18, 2016, 12:58:50 AM
With bitcoin-cli you just call sendtoaddress or sendmany with the tx amount and the software will automatically calculate the necessary fee.  You can retrieve the amount afterward with gettransaction if you need to record it.

Also you can call estimatefee before to get an estimate, but it could be different from the actual amount used due to changing network conditions, etc.

If you absolutely insist to control the exact fee amount yourself you would need to use createrawtransaction, signrawtransaction, sendrawtransaction.
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