I believe there are other clients that can do this but don't know which offhand.
I think Armory lets you choose which coins to use for inputs. "My Wallet" from http://BlockChain.info/wallet lets you do this as well. Trying to quarantine some bitcoins from others in your wallet is probably best handled (for now) by having separate wallets. For instance, you can specify a -datadir= to keep two separate wallets on one computer. |
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Note, that is the keypool of unused keys for future use; any address shown to you in the interface or that has received coins as change is kept when the new encrypted wallet is created, and those private keys may still be floating around on disk sectors and deleted files.
The OP's question had to do with new wallets (with no coins yet). But for a used wallet then you are correct. When you encrypt a wallet, all the unused keys become marked as used so those aren't a concern. For addresses that are used, however (e.g., received and not spent, or used for receiving change) then the release notes for bitcoin-qt v0.5.0 specify the solution to that: Send all of your bitcoins to yourself using a new bitcoin address. Don't re-use any addresses generated before wallet encryption was enabled. - http://bitcoin.org/releases/2011/11/21/v0.5.0.html |
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Are there many things that can be paid for using a Paysafecard?
I do see that Skype credit can be purchased, in U.K. and much of the EU.
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Google Translate of above into to German -->
Gibt es viele Dinge, die für die Verwendung einer Paysafecard bezahlt werden können?
Ich sehe, dass Skype-Guthaben erworben werden können, in Großbritannien und weiten Teilen der EU.
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I forgot my password and tried too many times to log in, so my "Account has been deactivated. (due to repeated login failure or abuse)". I have since found my password, but it is too late. My username was "darthvader". I'm worried I'll lose some BTCs. How can I get reactivated?
Which site are you trying to access? |
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Manual for now - so your saying the desktop top bitcoin has a send payment page to drop in a bunch of payment address's?
Yes, with bitcoin-qt. click Send coins tab, then after entering the first address and amount, click the green + for "Add recipient". Repeat as necessary. |
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If the site is still accepting orders then perhaps taking action to get them shut down is appropriate. - http://www.bitcoincigarettes.comThe site is hosted through KalyHost (owned by Tibanne, which owns Mt. Gox) so if anyone has proof that this site is still taking orders (i.e., sending out the e-mail with the bitcion address) then an appeal to KalyHost might be something to at least stop others from losing their money. |
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I've seen suggested a few times that stores offer customers promotional rebates of bitbill (or some other form of a physical private key).
From the perspective of a merchant, the likely return on investment seems small. Many customers would simply disregard and promptly dispose of their bitbills.
So I suggest printing a bitbill with an expiration date. The merchant would retain the private key. After a period of time, if the coins have not been spent, they could be reclaimed by the merchant. The financial cost of the promotion should be greatly reduced.
Except for a little detail. If the customer simply imports the key into the bitcoin-qt wallet, there is no transaction on the blockchain. And since the Bitcoin client doesn't let the inputs be chosen, the customer can't really force that bitcoin to be spent unless the client happens to choose it as an input for a subsequent transaction. The other thing is the merchant has a liability then as well. There is the potential that the customer would even add to that address and the merchant controlling the private key yet could make the merchant be on the hook if somehow that address wasn't kept securely. If there were a security breach, not just would the rebate be lost but any other funds added by the customer as well. A decent solution would be to put a recommendation onto the physical bitcoin a message stating to redeem only on Mt. Gox (which instantly sweeps any amount on the coin to a Mt. Gox address). Of course, a technical user can still import it wherever they want but the non-technical user would be protected. I wonder if Instawallet URLs are preferable. - http;//www.instawallet.org |
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Just wondering about the wallet encryption and persistence when bitcoin-qt is started without a wallet (as in a new installation).
What I am wondering is whether "wallet.dat" gets persisted (with exclusive file access locking) with the private keys unencrypted before you actually enter the passphrase to encrypt or is the wallet information just held in memory until you shutdown the client?
Answered here: "Bitcoin 0.5 will flush the key pool upon encryption. This means that when you encrypt a fresh wallet, none of its active reserve keys will ever have touched the disk in unencrypted form." - http://bitcoin.stackexchange.com/a/2016/153 |
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I have never tried to follow where a coin came from or where it is now...what tools can i use to do this?
is there a goot how to written somewhere?
Out of curiosity, what information are you hoping to glean? |
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Can Bitcoin Wallets be fixed if they go funny? They don't normally "go funny". You probably are seeing something that either isn't clear as to what is happening or you are encountering a symptom of some other problem. Do I really have to unistall and reinstall and let it synch for another two days? If you already have the blockchain downloaded, you can let bitcoin recreate a new wallet from scratch by removing the old wallet.dat. Can I somehow retrieve the block data before doing this? Keeping the existing blk*.dat and removing everything else will give you a clean slate with whatever blockchain you previously had. - http://en.bitcoin.it/wiki/Data_directoryThere are alternative clients as well. Electrum, for instance: http://ecdsa.org/electrumis a lightweight client that does not need to download the blockchain |
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Instead of having the service provisioned I declared service shares at 100 shares per BTC cost at full retail price.
So these shares are "backed" by some unit of disk storage at an ISP? |
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If I understand it correctly, the sender needs to have a Barclay's bank account. If the recipient doesn't bank at Barclay's then the recipient needs to link some other U.K. bank account and funds from each PingIT payment are transferred there (after a delay .. next day maybe?) This is similar to Dwolla and PopMoney in the U.S., though the differences are with Dwolla funds need to be transferred in to Dwolla first, and with PopMoney the transactions much clear through ACH first (not instant). This could be great for those wishing to do person-to-person, over the counter trading (such as on the #bitcoin-otc marketplace). What risks exist due to reversals though is yet to be determined. - http://www.bitcoin-otc.com - http://webchat.freenode.net/?channels=#bitcoin-otc-foyer |
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