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This. It actually works. If it doesn't work for you push it directly to eligius via their site. They will happily mine it for you.

Debit or credit card payments are reversible so (almost) no one is going to take them for a irreversible payment method like bitcoin. Well I say no one but there is one company here:

http://www.coindesk.com/tinkercoin-sell-20-bitcoin-only-once/

It says they charge $25 for $20 of btc. See if they'll sell you $20 worth, instead.

Depends on your OS and what you downloaded/installed. In the linux tarball it's in the bin/32 and bin/64 sub-directories.

Is this a photoshop of something else? Cause it looks like a sim card to me.

My guess would be exchanges and then the rest in this order:

bitstamp, btc-e, coinbase, blockchain.info mywallet, bitcoin core, multibit

It shows up as a down arrow on Linux. When you click it the addresses collapse under the receiving heading. Click it again to show the addresses.

Electrum stays up for a few minutes in daemon mode now when you run it this way.

As root:

Set version:

Download:

Verify signatures:

It will output something like the following:

As long as it says good signature you can ignore the warning and proceed to installation.

Install or update:

BTW I can see why you would use software called Electrum

Tell us what steps you took to create the wallet on ubuntu. Also what do you see on the receive tab?

The newest version of electrum has support for all of this. Run electrum help to see. Some of hte commands:

getaddresshistory
getrawtransaction
decoderawtransaction
getaddressunspent

You can paste multiple keys into the import key text field. One line per key.

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There is one thing that you can do. You can have an address to which you send multiple transactions of the exact amount needed for your monthly subscription. Then you create two transactions for each of those inputs. One transaction spends the input to the magazine's address and the other transaction spends it to your cold wallet. You sign those transactions and then delete the private key for your address. Now you can only send to the magazine or your cold wallet.

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Most clients expect WIF but it's not hard to get it in WIF format. Just use the wallet details tab on bitaddress.org. Paste your hex key in there and it'll give you all sorts of formats. Probably best to do this on an offline system or via a live cd where you load bitaddress.org and then disconnect from the net.

You don't run bitcoin-cli at all. bitcoin-cli is only used over the command line interface hence the name. If you are communicating to bitcoind via http + jsonRPC there is no need to use bitcoin-cli.

I'd too would like an answer to this question.

If you have to do that in your application then why use bitcoind accounts at all? Make up your own accounts system.