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1741  Bitcoin / Armory / Re: Problem changing working folders in windows on: June 17, 2013, 08:06:11 PM
Don't forget the -logfile argument.  Not that it will help run armory.  I'm not sure what the problem is, but I had all sorts of Armory problems until I ran bitcoin-qt first then opened armory (disable the appropriate setting in armory).  Maybe loading them separate will help diagnose your issue.
1742  Alternate cryptocurrencies / Altcoin Discussion / Re: Open challenge by dev of Digitalcoin to 51% DGC? on: June 17, 2013, 07:58:03 PM

How exactly will you have a longer blockchain if you rewrite your synced blockchain with an older one?

The older one will not contain the transaction to the exchange, true, but once it updates and syncs, your client will see you already spent your coins.

What exactly are you trying to prove here?

Dude trust me, if it was that easy, crypto would not exist anymore.

It's in step 9
1743  Bitcoin / Bitcoin Technical Support / Re: Are my Bitcoins lost? on: June 17, 2013, 07:37:07 PM
Try:  C:\Program Files (x86)\Bitcoin\bitcoin-qt.exe -rescan
1744  Bitcoin / Mining / Re: Unknown miner growing rapidly in mining % share on: June 17, 2013, 07:30:27 PM
The units in those posts were mining on known pools, so they wouldn't have reported as unknown.
1745  Bitcoin / Hardware / Re: [Ann] US based Avalon ASIC chips and assembly: 3,733 remaining on: June 17, 2013, 06:38:52 PM
There's only a fixed number of people who want to mine BTC, so interest has to slow down / stop at some point.
1746  Bitcoin / Bitcoin Technical Support / Re: Is it possible to generate the same adress twice? on: June 17, 2013, 06:35:20 PM
Everyone it seems in agreement. Yes its possible but no, it's so unlikely there is no need to worry about it.

OK but wouldn't it be fairly simple to have an automatic check within all the clients and a simple prompt ..
 'this key pair already exits please try again'

Getting Deja-vu on this topic but its nice to rehash once in a while.  Wink

It would be better if it said "Bingo!  You've found someone else's address -- transferring all their funds now"
1747  Bitcoin / Bitcoin Technical Support / Re: Are my Bitcoins lost? on: June 17, 2013, 06:28:40 PM
Hit Windows-Key r
Type cmd in the box.  Hit enter.
type:

copy %appdata%\Bitcoin\wallet.dat %appdata%\Bitcoin\wallet.dat.bak
copy C:\windows.old\Users\my user name\AppData\Roaming\Bitcoin\wallet.dat %appdata%\Bitcoin\wallet.dat

replace "my user name" with your old user name
Then run the bitcoin-qt program normally
1748  Bitcoin / Bitcoin Technical Support / Re: An easy way to send from several paper wallets? on: June 17, 2013, 06:16:06 PM
Are those bitcoin poker chips?
1749  Bitcoin / Bitcoin Technical Support / Re: Are my Bitcoins lost? on: June 17, 2013, 06:12:17 PM

   Tried that but datadir C:\windows.old\Users\your user name\AppData\Roaming\Bitcoin but it wont open. I think I may have shot myself in the foot because when I started

I opened windows.old, users, then I may have unzipped the bitcoin 8.1 which asks to overwrite files.

 I have several rigs mining and the one I had the wallet with the bitcoins I had to work on, so I always? send the bitcoins to one of my other rigs wallets. Well I forgot

(was pissed) after the 2 hours of crap I just finished, this PC started freezing up again, so I through in the disc and....Oh well, a learning experience I didn't need. 10

bitcoins is not a deadly loss to me, but it really sucks. I know better

Did you change "your user name" to your actual user name?  Or make a backup of that wallet.dat you found in the windows.old and copy it to your new appdata folder.
1750  Other / Beginners & Help / Re: 51% attack on all altcoins since Feathercoin happening. on: June 17, 2013, 05:36:13 PM
It's important for bitcoin to learn from these alt-coin experiments.

They are basically just simulations of 51% attacks and watching how they respond to them and how that works out could prove important to Bitcoin's future.

Yeah, I view all these alt-coins as a type of testnet
1751  Bitcoin / Hardware / Re: [Ann] US based Avalon ASIC chips and assembly: 3,733 remaining on: June 17, 2013, 05:34:54 PM
Apologies if this has been covered before, but what will happen if a batch if not completed (in a reasonable amount of time)? I'm asking since batch 6 begun on June 6 and, as far as I can see, only 643 chips have been paid for as of right now.

Then steamboat will have a bunch of chips for his own mining operation he wasnt planning on!

And thus was born the K9357 Mega Miner
1752  Other / Beginners & Help / Re: 51% attack on all altcoins since Feathercoin happening. on: June 17, 2013, 03:51:47 PM
It would be nice if attackers only went after coins that had premines.
1753  Bitcoin / Hardware / Re: How the hell is Avalon affording to pay for chip production?! on: June 17, 2013, 03:44:17 PM

If it was me I would at least NEED some of the US$7,500,000 to pay for business expenses

what are your thoughts?

It's not you, it's a business that apparently has money from previous sales or a business loan.
1754  Bitcoin / Mining speculation / Re: Bit coin difficulty by end of year, asic on: June 17, 2013, 03:27:17 PM
BFL is picking up steam -- at their current pace by the end of 2013 they will have shipped all preorders.
1755  Bitcoin / Mining / Re: Unknown miner growing rapidly in mining % share on: June 17, 2013, 02:10:17 AM
There could be several pools contributing to the unknown -- it's likely not just one pool.
1756  Bitcoin / Mining speculation / Re: Tarnished image on: June 17, 2013, 01:08:46 AM
If nobody is mining then the difficulty will be so low that I'll start solo mining and clean up.
1757  Other / Beginners & Help / Re: Is Linux Ubuntu the most secure OS to store my BTC on? on: June 17, 2013, 12:34:31 AM
I wrote a guide to using armory offline:  https://bitcointalk.org/index.php?topic=235584.0
1758  Other / CPU/GPU Bitcoin mining hardware / Re: Guide: Building a Solar Powered Mining-Plant on: June 17, 2013, 12:33:06 AM
From experience in boats and RVs I can say that it's a good idea to keep things simple.

I want to find a guide for the Raspberry Pi & 12v ASICs.

You want to keep everything 12v if you can. Converting to and from A/C induces loss and gets complicated.

The advantage of ASIC is that you can potentially keep adding them until they match what your solar panel is putting out.

I also recommend keeping the whole thing independent on it's own if possible, running either off a leisure battery or another battery setup if you have something cheap or for free.

I don't like batteries; I would much rather store energy as kinetic if possible - like water in a high place. Batteries are always going wrong and they're hard to service. Even forklift batteries get corroded on the fins inside. Sealed batteries are even worse.


Questions:

- 12v USB hub. How to add extra power without using a wallwart?
- Is there a guide for the Raspberry Pi and ASICs? I think if the Pi runs off USB it's unreliable? I've tried the Beaglebone and that's more reliable off USB, running at a lower CPU mhz (300mhz instead of 800mhz I think)
- another way to store 12v energy other than batteries which need replacing?

The Raspberry Pi runs off of a USB power source only.  For storage I saw a kickstarter project for a flywheel if you don't like batteries.
1759  Other / Beginners & Help / Re: Is Linux Ubuntu the most secure OS to store you BTC on? on: June 16, 2013, 07:03:16 PM
I think something like Qubes is the most secure.  You might be able to install Xen on Ubuntu?
1760  Bitcoin / Mining speculation / Re: Bit coin difficulty by end of year, asic on: June 16, 2013, 06:56:03 PM
Im seeing double!  Tongue

Groovy
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