Questions tagged [paper-wallet]

Related to the creation and usage of paper wallets, mostly used for cold storage.

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37
votes
8answers
4k views

How to save bitcoins as paper?

I would like to save some of my bitcoins on a piece of paper with QR code printed on it. What would be the easiest way to do it without using Mt Gox. or similar. Just bitcoins (I'm not afraid of some ...
13
votes
3answers
14k views

How to claim Bitcoin Cash & Bitcoin Gold from paper wallet

Before the first Bitcoin fork (August 1st) I put all my Bitcoin into a paper wallet. I kind of forgot about it. Now I think I can claim Bitcoin cash as well. Now there has been another fork resulting ...
7
votes
2answers
13k views

How do I transfer BTC in cold storage?

I understand how to send BTC to cold storage or offline wallets, but I can't seem to find information on how to send BTC from cold storage to, let's say, a wallet on my computer, or a website, or a ...
5
votes
2answers
766 views

What is the best method for creating a paper wallet?

I am looking to move some of my bitcoins from cold storage to a paper wallet. I have heard that metal stamping is one of the better long term strategies since paper can burn or fade. Any other ...
7
votes
2answers
1k views

How can users have confidence that there are no backdoors in paper wallet generators?

I'm thinking of issues like the randomization not being truly random. I appreciate that some users could examine the code themselves, but what assurances do less technically skilled users have?
6
votes
2answers
3k views

How do you sweep a paper wallet with Bitcoin-Qt?

Sweeping involves importing a private key, then sending it's entire balance to a new address in your wallet via a new transaction. This would protect your paper wallet's bitcoins from being stolen if ...
5
votes
3answers
810 views

What did I do wrong that caused me to lose bitcoin?

I've been accumulating bitcoin into a paper wallet for a couple weeks. It's all been stolen. I'm trying to figure out what I did wrong: https://www.blockchain.com/btc/address/...
1
vote
1answer
109 views

Are all 'metal wallets' functionally equivalent?

Within the context of wallets, is it correct that a metal bitcoin wallet needs to store both public and private keys? I'm looking at some metal wallets and want to clarify that the're all basically ...
0
votes
1answer
62 views

What type of Bitcoin wallet is more secure than others?

What type of Bitcoin wallet is more secure than others among Paper wallet, Physical bitcoin, Mobile wallet and Web wallet ?
10
votes
3answers
12k views

How Can I Ensure Private Key is Valid on my Paper Wallet?

I have recently created a paper wallet using the tool at bitaddress.org. Now I will soon be transferring a large sum of money to the paper wallet, however before I do so I would like to be sure that ...
1
vote
1answer
290 views

How to generate a paper wallet?

What do you find the best way to generate a paper wallet for BTC? I've heard of this one: https://keybase.io/warp/warp_1.0.9_SHA256_a2067491ab582bde779f4505055807c2479354633a2216b22cf1e92d1a6e4a87....
3
votes
3answers
337 views

if my wallet is sufficiently secure, can I ever lose my coins?

I've made an offline address and only have the key stored on 2 encrypted flash drives stored in different locations with the private key written physically on paper and stored in 2 locations. Do I ...
2
votes
2answers
15k views

Transfer Bitcoins from Coinbase to an Offline Wallet

Besides using the send bitcoins option, is there a way I can transfer my bitcoins from my online Coinbase account to an offline wallet? I mainly want to do this because I'd recently found out that ...
2
votes
1answer
2k views

Is it possible to buy bitcoins via an exchange directly into cold storage?

I own a cold storage wallet. I want to buy bitcoins, directly into my offline wallet (in order to avoid extra transfer fees). I understand i have to pay exchange fees. What I want to avoid is: buy ...
3
votes
4answers
2k views

Is holding funds in a Bitcoin paper wallet safe?

If you received lots of bitcoins, like 100, and you are not comfortable holding them in your personal blockchain wallet, is it preferable to move them and hold them in a paper wallet for safety ...
3
votes
2answers
1k views

What is the current state of BIP 38 (encrypted paper wallet) integration with cell phone wallets?

Given current implementations, is there a wallet that I can use to scan a private key, then enter in the password as a PIN, and the wallet will send from the key and sweep the rest onto a key ...
2
votes
1answer
185 views

Handwritten paperwallet or hardwarewallet to store Bitcoins?

Most people I talk to are convinced that a hardware wallet is the safest place to hold your Bitcoins. But I'm not so sure if it's not safer if I create offline on a non compromised fresh system the ...
2
votes
1answer
637 views

How to securly move bitcoins from a wallet.dat file to a paper wallet? [duplicate]

I have an old wallet.dat file with a few Bitcoins. It is stored in an isolated computer that is not connected to the internet. I would like to get rid of the wallet.dat file, and move all the ...
2
votes
1answer
694 views

Verifying a legitimate version of bitaddress.org on Windows

How can I make sure I am accessing (online) or have downloaded (as an HTML file or from GitHub) a legitimate, trustworthy version of bitaddress.org? In other words, how can I make sure no hacker has ...
1
vote
2answers
964 views

Print wallet.dat with base64

I just wanted to ask If it makes sense if I want to print out my wallet.dat to encode it with base64? I also read that the backup would become useless, if I get any receivements or make deposits and ...
1
vote
1answer
465 views

Do all UTXO get moved to the newest change address?

There is one thing I do not understand about unspent outputs and change addresses. For example, let's say a person has 5BTC in a wallet, and they have 2 unspent outputs of 3BTC and 2BTC. They one ...
0
votes
1answer
153 views

I used multibit years ago - now what? (BTC, BTG, BCC etc…)

I have some old wallets from multibit era (~2013). There is no way I can now download the full blockchain, so I need to import these keys into somewhere. Worse still, I also need to import the same ...
0
votes
0answers
23 views

distinction in types of wallets: on a device, physical medium or in a program? [duplicate]

What is the distinction between a paper wallet, cold storage, and off-line storage? Perhaps I'm naively lumping them together. To my understanding, a wallet is: A cryptocurrency wallet is a device,1 ...
0
votes
1answer
65 views

What needs to be written down for a paper wallet?

I'm installing bitcoin-core with snap on Ubuntu for a dry-run at generating a paper wallet. Perhaps naively, I thought to "write down" something like: nicholas@mordor:~/bitcoin$ nicholas@...
0
votes
0answers
194 views

Starting bitcoind for the express purpose of creating a wallet?

Referencing this solution: My favorite method: grab out a old/unused pc/mac install a linux over usb (maybe Talis) (make sure your USB stick is clean!) download a recent version of bitcoin-core (...
0
votes
1answer
94 views

How can I sign a bitcoin address that is on a paper wallet?

I have a bitcoin address that shows I held the BTC prior to December 2019. I need to verify this but as the address refers to a paper wallet I don't seem to be able to do so. If I move the coin to ...
0
votes
1answer
140 views

Recovery from theft - Tracing money to exchanges

I created a paper wallet on bitcoinpaperwallet.com and lost all my coins. Only later did I google to realize this is all a scam. The coins were moved on the 22nd Aug. can anything be done? Pls help, I ...