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61  Bitcoin / Electrum / Re: Noob questions about paper wallet(s) and Electrum - a bit overwhelmed on: March 05, 2014, 06:36:56 PM
btcbot,

I read about Tails... It says it uses Tor as the means for its anonymization features.  What I'm wondering is if you boot into this OS and use it offline, why does it have to be Tails, can it not be any other live CD/USB Linux distribution?

I realise this is probably a noob question...
62  Bitcoin / Electrum / Re: Noob questions about paper wallet(s) and Electrum - a bit overwhelmed on: March 05, 2014, 01:42:53 PM
I have to add, since I actually worked on it yesterday, that I've been using Electrum to generate paper wallets.  (It's for a project to make a Bitcoin fountain for my spouse, where I've assigned the address for weekly dividends from 2 of my AsicMiner shares.  She's got a QR code with just that private address, unencrypted and will use Mycellium's cold storage fetching to take money from it on an as needed basis).  For those who are not aware, Mycellium lets you repeatedly access paper wallets without having to worry about change address loss.

I created an Electrum wallet, while running Tails, offline, for one paper wallet and wrote down the 12 words just in case I need to run the wallet ever again and need to sign something.  The idea was to create one wallet for one private key of cold storage.

From the console I typed:

dumpprivkey('1blahblahblahblahblahblahblahblah')

Then take that private key that is output and run:

gui.show_qrcode("5blahblahblahblahblahblahblahblahblahblah")

I grabbed the QR code and printed it out.  Done...  A magical piece of paper, still backed by Electrum, which can be turned into money, repeatedly with Mycellium, as a few dollars a week drips in.  

 Cool

Sounds good... Now I just have to re-read that a couple of times, to try and get my head around what exactly you did and how...  Smiley Thanks!  P.S.  What's "Tails"?
63  Bitcoin / Electrum / Re: Noob questions about paper wallet(s) and Electrum - a bit overwhelmed on: March 05, 2014, 09:45:22 AM
Hi Dabura,

Regarding the transaction confirmation bug, what you suggest is the only fix I didn't try, as other people said that gets rid of the history of the transactions, something I didn't want to lose.  I don't know if this is accurate though, as I haven't tried it.  If it's going to be fixed in the next release, I'll wait for that, as it doesn't affect me in any way (or perhaps it does, but I don't know it - can you confirm?), other than being a little annoying.

Regarding a paper wallet, it's really because I became worried reading various reports of lately how there are many (and more every day) malwares that are usually undetectable by normal anti-virus/malware software, and that they scan your computer for known wallet files, and steal them (or steal your BTC by some other way).  This is why I wanted a paper wallet, so that I can transfer the majority of my balance into it, where I believe it would be far safer (as long as I don't lose it or it gets destroyed).  I just got confused by the number of options (bitaddress.org you mention being one of them) out there, each one touting it's advantages over the other one, and I also became worried and even more confused reading about the peculiar way these paper wallets work in when you want to transfer the funds OUT of them into a "live" wallet to use - something about "change addresses", and how some of the balance goes into these addresses, and if you're not careful, you can lose some or all of the balance... I found a long thread about this on reddit and read it all, but just ended up even more confused, even though there were helpful people there trying to explain it (as well as lots of people like me who were just quite confused about it all).

Thanks, I'll get it eventually.
64  Bitcoin / Electrum / Re: Noob questions about paper wallet(s) and Electrum - a bit overwhelmed on: March 05, 2014, 09:26:32 AM
Thanks for taking the time to reply.

I think I'll continue to investigate this, I'd rater be safe than sorry, but what you said is reassuring.
65  Bitcoin / Electrum / Re: Noob questions about paper wallet(s) and Electrum - a bit overwhelmed on: March 04, 2014, 11:24:57 AM
(gentle) bump...  Smiley
66  Bitcoin / Electrum / Noob questions about paper wallet(s) and Electrum - a bit overwhelmed on: March 02, 2014, 03:17:18 PM
Hi,

Hope someone can help with some simple to follow steps.  I'm pretty IT savvy (Windows only), but the whole cryptocurrencies world is new to me (been mining about 6-7 weeks now), and it's all quite a steep learning curve.

I'm using the latest version of Electrum (1.9.7).  Recently, I've been having an issue (which many others seem to have) which is that all my transactions since 17th February are showing as unverified.  This doesn't seem to cause me any problems, and it's not the main reason for this post, although it would be nice to fix this (I tried most of the suggested fixes, none worked).

I've been reading more and more about malware that steals your BTC off your computer, and obviously don't want to have the results of all the hard work I put into this in the last couple of months wiped out in an instant, either by malware or by any other way (my own mistake, bad practice, anything else, etc).

So I think it would be a good idea to create a paper wallet.  However, I'm a little overwhelmed by the number of options, and various websites and tutorials that exist on the Internet, and scared about warnings that if not handled correctly, the entire balance can be lost.

I simply want a simple solution that's going to work and be fairly secure and safe.

I was even thinking about switching to the Armory wallet (partially because of all these unverified transactions in Electrum which I can't seem to fix), and because Armory seems more secure and includes a paper wallet option as one of its built-in features.  But in the end, I was reluctant to do it, as Armory needs to download this huge database, and generally seems like it might complicate my life further, instead of simplify it, which is what I'm after!  Roll Eyes

Can anyone try and clarify all this for me and perhaps point me in right direction?

Also, is there any recommended BTC-stealing malware-detection software I can download and run in order to reassure myself my computer is "clean" of this type of malware?

Many thanks in advance,

Vlad.
67  Alternate cryptocurrencies / Pools (Altcoins) / Re: [ANN][POOL] Profit switching pool - wafflepool.com on: March 01, 2014, 10:11:20 AM
Thanks for the update Waffle, as ever. And thanks for working tirelessly on improving this already awesome pool of yours. Smiley
68  Bitcoin / Electrum / Re: Electrum - Unverified Transaction on: February 27, 2014, 04:28:53 PM
block_headers deleted, but it did not help - still all transactions from 17.2. unverified  Sad

Yep, same issue, all transactions since 17th Feb are showing as unverified.  Nothing I tried has worked.
69  Alternate cryptocurrencies / Pools (Altcoins) / Re: [ANN][POOL] Profit switching pool - wafflepool.com on: February 20, 2014, 06:01:12 PM
Can someone help me out here. I have been mining for about 30 hours and have a bitcoins earned of .024 and am not getting paid out. Also on the miners page I can't find my miner using just the first 8 characters. I have to type in the full address and fo to my own page to see my stats. Thanks for any explanation.

Hi,

First post in this mega-thread, and hopefully I can help.  Smiley

Waffle explained in one of the recent posts that there are delays on payouts from Crypsy, hence the delay in you being paid.  Should get sorted out soon.

Regarding your second question, copy the hash number (in the brackets, after your BTC address) from your own stats page, then search for that on the main miners page.

Waffle, thanks so much for all the hard work, transparency and excellent communication here. Smiley

Vlad.
70  Bitcoin / Mining software (miners) / Re: CGWatcher 1.3.5, the GUI/monitor for CGMiner and BFGMiner to prevent downtime on: February 15, 2014, 10:57:42 AM
timmieman and kimocoin, thanks for taking the time to reply.

unfortunately, the main issue is that gpu-threads is a global parameter, and unlike most others, you can only use one value (you can't use multiple values, separated by a coma) in the conf file.  this is the main reason i'm using two instances.

i know sgminer allows for using coma separated values in the conf file, but i'm not sure how to go about replacing cgminer with sgminer on my windows machine.  if anyone could offer any tips about this, i'd be grateful (or any other alternative ways of dealing with this).

many thanks!
71  Bitcoin / Mining software (miners) / Re: CGWatcher 1.3.5, the GUI/monitor for CGMiner and BFGMiner to prevent downtime on: February 13, 2014, 10:14:39 AM
Hi,

I've happily been using CGWatcher (v. 1.3.5.2, and Windows 7 Enterprise SP1) for the past couple of weeks and it's been running great, thanks for creating this really cool software!

I've now added a second card into my PC and want to run two instances of CGWatcher.  I read the instructions, and created two separate folders, and pointed each instance at its own API port.

It all works, but for one issue.  I'm not using the conf files, instead I'm using bat files. So each instance is pointing to its own bat file. It works ok, except that whenever each instance is (re-)started, it applies the overclock (memory and engine) settings from its bat file to the other (running) instance as well, and vice versa!  I can then change them back manually, either through CGWatcher or cgminer, and they stay correct until either instance needs to be restarted, at which point, its values overwrite and apply to the other card/instance.  It's odd, because only those two specific parameters seems to do this, and other parameters remain confined and only applied to the corresponding card.

I'm using two instances because I'm using two different cards (an R9 270 and an R9 280X), and the 270 needs gpu threads to be set at 1, and 280X at 2. I'm probably not doing this the best way, and intend to do more research and optimize it better, but I thought I'd try this in the mean time.

I'd be very grateful if you could offer some tips.

Many thanks!
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