Questions tagged [offline]
The offline tag has no usage guidance.
76
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Offline wallet.dat storage for large amounts
I would like to store my bitcoin wallet offline and need a few pointers. Since this will be my long-term savings storage (decent amount, rarely accessed), I will use one PC (online) with only ubuntu ...
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Offline transaction on exchanges
Do cryptocurrency exchanges use offline transactions?And if yes when they use it?Also is offline transactions somehow related to off chain transaction?
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Where to find a people who have bitcoins, to exchange USD to BTC with no KYC offline?
I have cash in USD, i want to buy BTC in my city, but i don't want to buy it with exchange magazine, because bad exchange rate and because it requires KYC and i'm not want to my personal data will ...
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1
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Create offline bitcoin tx for p2pkh address in a user-friendly way?
You created vanity p2pkh-addresses in the past, you have access to the private keys (WIF) and addresses (1...).
Now you want to spend the funds securely and in an offline way (you do not want to ...
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1
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What if there where no nodes to share a new block
I am fairly new to blockchain technology, so bear with me if i make mistakes
So lets say there are 10 people trading a cryptocurrency 5 of them are online from 8 to 10 am and the other half on online ...
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Pay invoice to offline lightning node
I wonder if there is a way to force a refund. Let's say A makes a payment to B. Later, B finds that he has to refund A, but A is offline. Can B reverse this payment while A is offline?
Could it be a ...
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How safe it is to store keys in Electrum? I think Luke Dash JR didn't recommend it
I agree with Luke Dash Jr and in general this wiki with the fact that doing anything without a full node is a mistake:
https://en.bitcoin.it/wiki/Clearing_Up_Misconceptions_About_Full_Nodes
But my ...
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1
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231
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How to use Bitcoin Core on a laptop as a hardware wallet [duplicate]
I would like to have the following setup:
Bitcoin Core on an offline laptop. Here the private keys are stored. Full disk encryption.
Bitcoin Core on an online laptop. Here watch-only addresses from ...
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507
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How to create a physical/paper backup for bitcoin-core wallet?
I am using bitcoin-core for my offline storage.
In electrum I can do a paper backup by writing down the mnemonics.
bitcoin-core seems to be using a different mechanism to generate the wallet.
What I ...
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3
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727
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Is there a way to create a tx completely offline? Maybe with a script or cli commands?
I mean generating the transaction itself offline, assuming I know in advance how much bitcoin a UTXO has. In other words, without querying the network for the UTXO balance.
Then I also need to sign ...
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1
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153
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Is there some kind of USB antenna I can buy to be able to use Bitcoin even when there is no Internet?
Let's say they cut the Internet tomorrow. I will still have my private keys on my offline computer, but I won't be able to sync the blockchain (as won't anyone else) nor would i be able to make any ...
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Offline Bitcoin Wallet [closed]
I would like to have bitcoin and store them as safely as possible. I want bitcoin data to be stored on my disk -- I don't want to some online service to manage my wallet. I also would like to have ...
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2
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Taking out bitcoin from offline wallet
Ok, let's say I have an offline wallet for storing my bitcoin, now I have got a good amount of bitcoin, but i don't want to take out everything from the wallet, I only want to take out a small amount, ...
2
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1
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231
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how to get bitcoin off an exchange?
As a corollary to asking how to transfer from cold storage, how is bitcoin first put into a paper, or other wallet, when it originates on an exchange?
My primary concern is more getting the coins out ...
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Generating a BCH address offline
To generate offline BTC addresses, I use the bitcoin-core app from bitcoincore.org. What is the BCH equivalent of this?
Is it the bitcoin-unlimited app?