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1  Economy / Computer hardware / [FS] ASUS M4A79XTD EVO Socket AM3 AMD ATX Motherboard 790X on: May 03, 2014, 11:40:14 PM
Auction: http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=221432131398
2  Economy / Computer hardware / [FS] AMD Phenom X4 9850 2.5 GHz Quad-Core (HD985ZXAJ4BGH) on: May 03, 2014, 03:19:33 AM
Was used in a media center computer for a year. Using a raspberry pi now, so I don't need this anymore.

Auction: http://www.ebay.com/itm/221431448891
3  Economy / Computer hardware / [FS] Gigabyte HD 7950 on: May 03, 2014, 03:17:48 AM
Use solidly for about 5 months of litecoin mining during the winter.

Auction: http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=221431468174
4  Economy / Service Discussion / Attn BTC-E and other exchanges: I'm waiting for your proof of solvency reports on: February 27, 2014, 03:01:42 AM
I have decided to pull any bitcoins and altcoins off of every exchange I was using until those (or other) exchanges start regularly and publicly demonstrating solvency, preferably cryptographically.

BTC-E announced recently that they would be publishing financial statements, verified by an external audit, on a regular basis. I look forward to seeing progress on that.
5  Bitcoin / Bitcoin Discussion / Re: Sorry to bother you with another potential worry but... on: May 17, 2013, 05:52:52 PM
It occurred to me today that bitcoin is not democratic.

Democracy is a very bad thing in a world full of idiots.

I'm going to disagree.

The world is filled with idiots yes. 
Picking somebody randomly to make important decisions is however is still a good idea.

How does "picking somebody randomly to make important decisions" remain a good idea?

Because a random idiot is more trustworthy than anybody else.  Because thats the best we can do knowing what corruption our wetware is capable of generating.

I don't follow this logic. Are you saying I should trust a random idiot more than someone who has established trust with me?

Well, actually we can't even do that.  Juries these days are sadly always pre-screened.

If you mention you support jury nullification, you'll be disqualified.

Random idiots are often swayed by the appearance of authority. Random idiots, in groups, often justify the use of violence against non-violent individuals.

If you can think of a better way to resolve a double spend, please do let us know. 

I never claimed I had such a solution. I only wondered if "picking somebody randomly to make important decisions" was truly a good principle or not.



6  Bitcoin / Bitcoin Discussion / Re: Sorry to bother you with another potential worry but... on: May 17, 2013, 12:30:52 AM
It occurred to me today that bitcoin is not democratic.  The direction of the blockchain is determined by majority yes, but certain people hold more of it than others. 

Well, I think it's as much democratic as our current implementations of democracy in our political systems.

Sure, everyone has his vote, but you you need to get to know about someone and get convinced to vote for him. At the end of the day it turns out, that number of votes acquired is highly related to amount of money spent on campaign. It isn't 1-to-1 of course, as people's preferences and quality of offer also matter, but the best offer/idea without funding won't get as many votes as the worst offer/idea with huge funding. Number of votes for similar quality ideas will be strictly related to amount of funding spent on promoting them.

Democracy is a system where power is concentrated with people who invested the most in the system. This seems very similar to bitcoins to me.

Because there's nothing which says "you must use bitcoin or forfeit your life," that makes it significantly more democratic than any "current implementations of democracy."

The same is not true for the aforementioned "current implementations of democracy."  Suppose I live in the US and I do not support any war. The fact is that I am required "by law" to fund it. What that means is if I refuse to fund it (by not paying taxes), I can face many years in a cage, and if I resist, I can be shot. Yes, I'm permitted to verbally disagree, yet I have no freedom to disagree financially.

If I disagree with "bitcoin," the alternatives do not threaten my person or property.
7  Bitcoin / Bitcoin Discussion / Re: Sorry to bother you with another potential worry but... on: May 17, 2013, 12:06:21 AM
It occurred to me today that bitcoin is not democratic.

Democracy is a very bad thing in a world full of idiots.

I'm going to disagree.

The world is filled with idiots yes. 
Picking somebody randomly to make important decisions is however is still a good idea.



How does "picking somebody randomly to make important decisions" remain a good idea?
8  Economy / Speculation / Re: The death of Mt Gox will End Bitcoin on: May 16, 2013, 04:42:05 AM
What Mt Gox has done is blatantly illegal and violates American laws back to the 1930's.

Exactly which American laws has Mt Gox violated, and how?
9  Bitcoin / Bitcoin Discussion / Re: Why Homeland Security might be the best thing to happen to Bitcoin on: May 16, 2013, 01:34:10 AM
Remember the whole blockchain is right there for the IRS to read...

Exactly what information does the blockchain provide to the IRS that would implicate a person in tax fraud?
10  Bitcoin / Bitcoin Discussion / Re: Why Homeland Security might be the best thing to happen to Bitcoin on: May 16, 2013, 01:27:35 AM
I don't see why regulating exchanges would be a bad thing - for example the SEC regulates the stock markets in the US and most of the rules they enforce - like insider trading - are meant to protect investors not the exchange.

No victim = no crime. Who's the victim with regards to "insider trading"? Is Inside Trading Really a Crime?

The SEC destroys markets, it doesn't make them safer:

Madoff and the Failure of the SEC
The SEC Makes Wall Street More Fraudulent
The SEC Short Sells Us Down the River
11  Bitcoin / Bitcoin Discussion / Re: Holy Crap! Is this the Bitcoin capital of the world? on: May 12, 2013, 07:06:09 PM
i still don't know how do you pay in bitcoins...
do you have an app?
...
what apps are safe?

I use blockchain.info

The way it works is simple. You go to a merchant that accepts bitcoin. You negotiate a price. The merchant presents you with a bitcoin address to send a payment to. The easiest way to do this is to show you a QR code that you can then scan using your phone. You send the required bitcoins and leave the store with your goodies.

what if you lose your phone or get malware inside? is safe?

What happens if you lose your wallet or purse? Advice: only keep as much cash on you as you intend to spend. Don't keep your life savings in your wallet or purse, and definitely don't keep your entire bitcoin stash accessible from your phone. Suppose that you do lose your phone though. You would still be able to access your blockchain.info wallet from the website directly and retrieve any balance you had saved. Anyone that finds your phone isn't going to get the coins right away unless they know what they are doing. Access to the app is going to require a 4 digit pin, and after a number of incorrect attempts (5, I think), then you need to enter the full password.

The recommendation here is to have a phone-only wallet that has a small balance.
12  Bitcoin / Bitcoin Discussion / Re: A big milestone - 2^70 hash operations on: May 12, 2013, 06:49:44 PM
Can you explain how this is being calculated?
13  Bitcoin / Bitcoin Discussion / Re: ASIC Miner Sellers - Why do they exist? on: May 12, 2013, 06:48:25 PM
Suppose [insert ASIC producer here] has manufactured 10,000 units. Among their choices are to either sell those units, or, use them directly to mine bitcoins.

Which path would be the most profitable? There's not enough variables here to answer this question, so we would need to fill in some blanks.

Suppose they have a full 2016 blocks before the next difficulty adjustment. That's 50,400 bitcoins (25*2016), $5,797,000 USD at $115 USD/coin.

Suppose that each of the 10000 units is capable of running at 5GH/s. That would give them an effective hash rate of 50 TH/s.

Current estimated network hash rate is around 88 TH/s, giving a total network hash rate of 138 TH/s.

According to allchains:

MH/s: 50,000,000 (5000 * 10000)
Watts: 300,000 (30 * 10000)
$/KwH: 0.10
Cost/Day: $720
Difficulty: 11171715.45
Coin/Day: 2250.837
$/Coin: 114.01
Total profit: $255897.916 (per day)
Per unit: $25.6

A block is ideally generated every 10 minutes. That's 144 blocks per day, or 3600 bitcoins.

The next difficulty adjustment would occur in approximately 8 days. Per unit profit for that difficulty period would be about 8*25.6 = $204.8.

Assuming the network hash rate stays around 138 TH/s, the next difficulty adjustment would be about 19 million.

They would be pulling in about 1311 coins per day @ $148816 total profit, or $14.8 per unit. Assuming a full two weeks before the next adjustment (unlikely), that would result in $192.4 profit per unit.

Total per unit profit for the two periods is close to $400, assuming a lot of factors including the bitcoin price remaining steady and no other ASIC sellers doing the same thing.

Managing and configuring 10000 units is not a free exercise. At 5 minutes per unit, that's 34 full days of work, or 104 eight-hour days. Suppose that you could hire 104 people and pay them 20 an hour and get it done in a day, costing you about $16640, or about $1.66 per unit.

If the 5GH/s units were being sold @ $500 each, that means $500 now versus potentially $400 in a few weeks time.

Of course, BFL isn't selling for $500, they are selling for $274. Why might that be? I suspect it's because units aren't being shipped as they are ordered. Instead, anyone who orders now may not get a unit for several months. How much would you pay for a 5GH/s unit if you could get it in a couple days? $500? $1000?
14  Bitcoin / Mining / Re: multiple rigs - how do you manage your operation? on: May 09, 2013, 04:21:40 PM
clusterssh and screen
15  Other / Beginners & Help / Re: Why deposit to exchange from mining pools are not allowed? on: May 06, 2013, 05:43:49 AM
I've gotten an answer on this directly from bter.

Turns out it isn't a direct restriction.

The problem is that a number of users have reported that the transaction is very slow, as a result of the mining pool not including a tx fee and having a lot of activity. But it does apparently work, it just might take longer than you might prefer or expect.

Rather than dealing with users complaining about their deposits not showing up, they just tell you not to do it.
16  Other / Beginners & Help / Re: Why deposit to exchange from mining pools are not allowed? on: May 06, 2013, 05:08:56 AM
I'm looking for an answer to this question myself.
17  Alternate cryptocurrencies / Altcoin Discussion / Re: Easiest way to generate FTC and CHN/CNC addresses on: May 06, 2013, 01:28:39 AM
What's the easiest way to generate FTC and CHN/CNC addresses without downloading/compiling each client?

Dig thru liteaddress.org source and find how the scrypt addresses are generated -- then --

Dig thru litecoin-qt source and find where the addresses generation source is stored -- then --

The other clients are exact copies of litecoin, so just find the same exact section of code in those clients..

too bad it's not as easy as bitcoin:

echo -n "random data" |sha256sum


Actually, now that I think of it -- couldn't you use a litecoin address as a FTC or CNC address?

Sort of. You can have the same private key, which would have a different public address for each altcoin.


OK, lets put all this aside  (No even going to go into the errors in all this)..Here is the way to use vanitygen to make address for whatever cryptocoin you want:

Simply use the -X option.

For example:
CNC has an address version of 28

Code:
robert@vm:~/vanitygen$ ./vanitygen -X 28 C
Difficulty: 1
Pattern: C                                                                     
Address: CTNshY9gtui1sCRShSmaVhmDoqq2HMPoDb
Privkey: 6EffGbeyPmkm4L4kCFWtZwzMrHef8VnFAGPEFuJPYp5igPHbuTL

Code:
robert@vm:~/vanitygen$ ./vanitygen -X 28 CHina
Difficulty: 4553521
Pattern: CHina                                                                 
Address: CHinayQjyJpxKiTRijbf1SQpjCnyGy2pdD
Privkey: 6EsXZUxKwpRE7LSZ61emBYCw1S247w3Fh6Lww8ubucQA2jiVnsH

FTC  address version is 14
Code:
robert@vm:~/vanitygen$ ./vanitygen -X 14 6ftc
Difficulty: 78508
Pattern: 6ftc                                                                 
Address: 6ftccqkRpUaSVMMyqnJ3mYaJoH3EW2Pcmx
Privkey: 5mA3Cj8wAWFGJ6tPUPTzb9Rr7Q9jmBEGNYF5B2MbXuwZhq3oftq



Thanks for sharing this information dreamwatcher.

You said that you were not going to go into the errors in all of those, I was wondering what errors you were referring to. Is it incorrect to say that you cannot use the same private key (64 character hexadecimal format) for any altcoin? I understand that the WIF and WIF compressed formats will be different for each, which is what is listed as "Privkey" by vanitygen.
18  Alternate cryptocurrencies / Altcoin Discussion / Re: Easiest way to generate FTC and CHN/CNC addresses on: May 06, 2013, 12:49:54 AM
What's the easiest way to generate FTC and CHN/CNC addresses without downloading/compiling each client?

Dig thru liteaddress.org source and find how the scrypt addresses are generated -- then --

Dig thru litecoin-qt source and find where the addresses generation source is stored -- then --

The other clients are exact copies of litecoin, so just find the same exact section of code in those clients..

too bad it's not as easy as bitcoin:

echo -n "random data" |sha256sum


Actually, now that I think of it -- couldn't you use a litecoin address as a FTC or CNC address?

Sort of. You can have the same private key, which would have a different public address for each altcoin.
19  Alternate cryptocurrencies / Altcoin Discussion / Re: Easiest way to generate FTC and CHN/CNC addresses on: May 06, 2013, 12:49:27 AM
What's the easiest way to generate FTC and CHN/CNC addresses without downloading/compiling each client?

Dig thru liteaddress.org source and find how the scrypt addresses are generated -- then --

Dig thru litecoin-qt source and find where the addresses generation source is stored -- then --

The other clients are exact copies of litecoin, so just find the same exact section of code in those clients..

too bad it's not as easy as bitcoin:

echo -n "random data" |sha256sum


I did actually compare the liteaddress source with the bitaddress source.

I did actually scan through the differences between the litecoin-qt source and feathercoin source.

Unfortunately, while I have a general idea of how the addresses could be generated, I have no way of testing it.

All of the altcoin private keys can be generated using sha256. The problem is generating the correct public address from that private address.
20  Alternate cryptocurrencies / Altcoin Discussion / Re: Easiest way to generate FTC and CHN/CNC addresses on: May 06, 2013, 12:12:19 AM
What's the easiest way to generate FTC and CHN/CNC addresses without downloading/compiling each client?
Vanitygen?

As far as I am ware, that isn't setup for FTC or CHN/CNC. If it is, could you explain or provide a link?
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