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I have generated a Cold Wallet using bitaddress.org (pub + priv key)
How do I send / receive Bitcoins from / to the generated addresses?
Is there something I should mind about?
Receiving seems to be easy: Just send Bitcoins to the generated Bitcoin Address, correct?
I have no problem to use the commandline.
Is there a way to do this (send / receive) without needing to use my private key on a computer connected to the internet?
Thanks for helping
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"Is there a way to do this (send / receive) without needing to use my private key on a computer connected to the internet?"
Yes, search for 'offline wallet'. The basic idea is the following:
In my opinion, this is the safest way for non-developers to do bitcoin transactions.
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You could add a watch-only address for your "online created cold address" (which you probably can read-out the irony in my sentence).
bitcoin-cli importaddress <myaddress>
(this will produce a rescan and take therefore some minutes/hours)
After that, you can check your balance as you would do with a "normal" addresses.
To spend, you could use the rawtransaction command (it's a bit tricky, see here). With signrawtransaction you can use a private key (in the format you have created it over bitaddress.org) to sign your transaction.
