I would like to import a private key to the Bitcoin-QT client.
My questions:
1) Can I import a WIFC key, i.e., compressed private key, beginning with "K" or "L" rather than WIF key beginning with "5" ? Does Bitcoin-QT accept both private key encoding formats -- i.e., compressed and non-compressed?
2) If I import the key from another client, should I be concerned that the key exists in two wallets?
Please note that I do not want to simply send funds from one client to another.
Thanks in advance for any advice.
1) Yes. It uses compressed keys itself now. 2) Yes that might cause confusion about where the funds from the key went. You also may want to learn about change addresses. https://en.bitcoin.it/wiki/ChangeIf you are trying to spend funds in a paper wallet you want to make sure that it is not reused as a change address. So ideally don't import it into an existing wallet. Instead create a new wallet, and send all the funds to an address in your primary wallet. |
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First calm down. Panicking is not going to help anybody. What does it say in help > about > debug (maybe)? It displays the block count there so if the number is increasing it must be downloading new blocks and all you have to do is wait. If it is not downloading then try running it with the -rescan command line switch. That is bitcoin-qt -rescan Finally if all else fails you can extract the private keys using pywallet and import them into a new wallet. |
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And I did that.. still no luck. I still have my SEED (random senetence thing) i downloaded it on another computer and the program would open, but would not accept my SEED.
This is a pretty bad sign. When you first run electrum it displays the seed for you to write down and in the next step you have to type it in to verify that you wrote it down correctly. So if you didn't follow those steps at the start and have an incorrect seed I'm afraid you are in trouble. |
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First, it is black or white to me..
Live in your delusions. But IMO, this a bubble. It is not due to increased spending of Bitcoins, it's pure speculative demand. Now, maybe it will all smooth out when the hype is gone and people will begin spending over hoarding. Maybe theoretical Austrian economic concepts will prove to be true. But for now, it's just a simple gold rush. Tulip manic and potentially, a soon to collapse pyramid. Everything economists have been saying would happen from the start. And even if all that should work out perfectly, Bitcoin still fails to solve our REAL world monetary issues, as I've previously stated. Now, those are MY opinions. If that leaves you butthurt, "frankly my dear, I don't give a damn."
You know I agree that it is speculative demand and that it may crash a little but I don't agree that you can dismiss Bitcoin like that and say it doesn't solve any real world issues. The speculative demand is there *because* it solves real world problems and people see it is limited in quantity and now is the time to get into it. It is still very hard to send money to a lot of countries and also to send money from a lot of countries. Bitcoin does solve that problem because it is not regulated or dependent on a slow moving central authority (private sector or otherwise) to approve it's use in these various untapped markets. It makes it impossible to impose capital controls. That is huge! |
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koi activity nahi hai yaha lagta hai sub cricket match mai bussy hai  They're all shocked at the rapid rise in the price. They must be thinking this is now serious business... |
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You can just start bitcoin-qt with the rescan option (-rescan command line switch I think) and it will find the missing transactions. That may be faster than downloading the whole blockchain again.
edit: yeah that's it:
-rescan Rescan the block chain for missing wallet transactions
Place the November 7th backup in place and try the rescan.
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I suggest you don't go down this route. Instead download electrum and use that as your wallet. The reason is that paper wallets are not for noobs. If you make a mistake you might loose your funds.
Remember when running electrum for the first time it will display 12 words which you should write down (don't copy paste). That will be all the backup you need. Do enter a password though when it asks you to.
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Ok then. This is beyond me. Sorry.
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Ok I did that. Thanks. But it displays red in the label column next to those new addresses. That isn't going to be a problem, is it?
red means that the address is beyond the gap limit, so it will not be recovered if you restore from seed the red color will disappear once other (preceding) addresses receive coins. Ok thanks again. |
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in the python console, you can do: wallet.accounts[0].create_new_address(0) it will create a new address, beyond your gap limit. (you might need to restart the client to refresh the display) Ok I did that. Thanks. But it displays red in the label column next to those new addresses. That isn't going to be a problem, is it? |
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Again, if you have an old install, Electrum will turn your old electrum.dat to the new structure /wallets/default_wallet Again, i don't have an old install, i have just the electrum.dat file (of an old install that was on my pc before formatting). If you are making a new installation and want to bring your electrum.dat you can either put the electrum.dat in the ./electrum folder Again, it doesn't work. No need to restore from the seed. He can open any electrum wallet file using either of these two methods:
- Run Electrum. Then choose File menu > open and select the file on your filesystem
Again, how to do this if when i open Electrum for the first time i can't reach that menu? Please read the previous posts, thank you! Ok a few things to note: 1. On linux the electrum wallet folder begins with a period that is it is .electrum in your home directory. So make sure you put it in the correct folder. 2. To answer your question about the menu, just follow the prompts to create a new dummy wallet until you get to the display with the menu. Alternatively use the command line switch: electrum -w /path/to/wallet.dat But try 1 first. |
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If you are making a new installation and want to bring your electrum.dat you can either put the electrum.dat in the ./electrum folder or restore from your seed (if you restore from seed won't have your labels unless you were using Label Sync)
No need to restore from the seed. He can open any electrum wallet file using either of these two methods: - Run Electrum. Then choose File menu > open and select the file on your filesystem - Use the -w command line switch - electrum -w /path/to/wallet/file.dat . This method is useful if you want to create a shortcut to your wallet file. |
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If you're holding a "lot" of money, some people would rather just remove all doubt. And the cost of doing so really isn't that high.
Unfortunately I don't have that problem :p Got into bitcoin too late for that. |
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You could also leave the lens cover on a SLR camera, boost the ISO to the maximum setting available on the camera, and take a 30 second long exposure. The resulting noise in the image should be random, and have more than 256 bits. You could then SHA-256 hash the image for the private key. That's a lot less labor, and you could generate multiple keys/addresses pretty fast.
Can you use any image you took? Like of a pet or an object or does it have to be high iso noise filled image? |
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Anyway, it is not possible to derive the public key and the address without using using a computer
It is quite possible to do this with pen and paper. I don't know the ripdem algorithm, but the sha and key multiplication could be done in a few hours of concentrated work(and a few hours on the next day to check). Nothing you want to do, but otherwise, if you can't trust any of your hardware, it could be the ultima ratio. No it can't be done manually. Jackjack explained it all in another thread where this came up. Search for it. Anyway a lot of the heavy weights are in this thread. I would have thought that generating private keys manually might be termed a little extreme. |
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Anyone else have something that would be worth to bring up?
How excited are they about the money they will make because of new types of viruses and malware like Cryptolocker? |
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