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Topic: Most Secure Method To Sweep Paper Wallet - page 2. (Read 257 times)

newbie
Activity: 17
Merit: 6
April 03, 2021, 03:58:08 PM
#4
If you want to sweep paper wallet, it will request for transaction fee, but while do you not just import the private key into the wallet of your choice.
Perhaps he wants to move the funds to a hardware wallet or a HD wallet where he cannot import a private key. Or perhaps he wants to send some of them to another person, or split them up between multiple wallets. There are plenty of reasons to sweep an address rather than import a private key.

To convert private key hexadecimal to base58 WIF, use https://bitaddress.org, click on wallet details, input the hexadecimal private key into the space provide and click on view details. You will be able to convert the private key to WIF.
Except if you do this, you will have exposed your private key to the internet and instantly put your funds at risk.

You need to use an offline computer, preferably a permanently airgapped one with a clean OS, import your private key there and sign a transaction on this airgapped computer, and then move the transaction to an online computer to be broadcast. There's a good post from LoyceV about this here, which I'll just link to rather than re-hashing all the information - https://bitcointalksearch.org/topic/m.56389821. Make sure to verify your Linux and Electrum downloads before installing/using them.

Your are bang on correct. It's a very old paper wallet and I am not able to import it into any new hardware wallet. But I want to learn the most secure way to move said paper wallet into a Ledger.
legendary
Activity: 2702
Merit: 3045
Top Crypto Casino
April 03, 2021, 03:24:42 PM
#3
Sweeping is nothing else but sending the whole balance to a new wallet. The wallet which will sweep the private key has to be online to sign and broadcast the transaction, which is not recommended.
Instead, you can create a watch-only wallet using your paper wallet's public key, create a transaction which sends the whole balance to a new address (your new wallet), sign it offline, then broadcast  the signed transaction using any online broadcaster.
(was typing and didn't notice o_e_l_e_o's reply, sorry!)
legendary
Activity: 2268
Merit: 18711
April 03, 2021, 03:16:50 PM
#2
If you want to sweep paper wallet, it will request for transaction fee, but while do you not just import the private key into the wallet of your choice.
Perhaps he wants to move the funds to a hardware wallet or a HD wallet where he cannot import a private key. Or perhaps he wants to send some of them to another person, or split them up between multiple wallets. There are plenty of reasons to sweep an address rather than import a private key.

To convert private key hexadecimal to base58 WIF, use https://bitaddress.org, click on wallet details, input the hexadecimal private key into the space provide and click on view details. You will be able to convert the private key to WIF.
Except if you do this, you will have exposed your private key to the internet and instantly put your funds at risk.

You need to use an offline computer, preferably a permanently airgapped one with a clean OS, import your private key there and sign a transaction on this airgapped computer, and then move the transaction to an online computer to be broadcast. There's a good post from LoyceV about this here, which I'll just link to rather than re-hashing all the information - https://bitcointalksearch.org/topic/m.56389821. Make sure to verify your Linux and Electrum downloads before installing/using them.
newbie
Activity: 17
Merit: 6
April 03, 2021, 02:31:37 PM
#1
Hi there,

Does anyone have a detailed guide to the most secure method to sweep a paper wallet?

Thanks in advance.

RMC.
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