Questions tagged [import]

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Having trouble transfering private keys from Bitcoin Core to Electrum, for want of not having to wait for sync

This morning, I purchased some bitcoin for the first time on CEX.IO, and soon withdrew it to the Bitcoin Core wallet I had set up. What I did not realise was that I would have to download the ...
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1answer
44 views

Script to import multiple priv keys in Electrum

DuckDuckGo turns up nothing of interest. How to import multiple priv keys in Electrum from a file using Electrum console or shell script, for all derivable valid BTC addresses? (1,3,bc1) Eventually I ...
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2answers
114 views

Import of BTC BIP38 Paper Walet into Electrum 3.3.4 not working

Trying to finalize importing BTC from a BIP38 Paper Wallet into Electrum wallet About an hour ago I opened Electum 3.3.4, created a new wallet, set a password, saved a copy of the new wallet to a USB ...
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1answer
288 views

How to import an extended public key into bitcoin core 0.16

I exported an xpub key from a HW wallet and want to import it into my own node to keep track of changes to the balance. My node is running satoshi 0.16.1 Can someone help me find the right syntax for ...
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0answers
60 views

How do I import a wallet into Bitcoin core? [duplicate]

I have the public address, and the private key of a BTC wallet. How can I import this into bitcoin core so that I can use it to sign messages? I need to be able to sign a message to show that I ...
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1answer
163 views

Importing an arbitrarily created Master Private key to Bitcoin Core

I've created a Master Private key (xpriv) on an airgapped machine along with an Master Public key (xpub). Now I'm running Bitcoind on my Ubuntu server and I want to use my newly created keys on a new ...
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1answer
24 views

Are there performance implications using the “timestamp” property of ImportMulti in the following way?

Based on the Developer Reference for importmulti, it seems the the timestamp property is purely used to determine how far back to rescan. If I have, say, 100 addresses and I simply set all of their ...
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2answers
404 views

development of bitcoin-abe like software

I am trying to develop something similar to bitcoin-abe, e.g. import whole blockchain into database. For database I currently using Redis - I know it will took lots of RAM, but lets suppose that is ...
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1answer
162 views

Import testnet address in bcoin

I´m trying to import a watch-only address to my bcoin node using cli (testnet). My config looks as follows: [....] # # Options # network: testnet # # Node # prefix: ~/.bcoin-testnet db: leveldb ...
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1answer
360 views

Does `importprivkey` need a rescan even in a txindex=1 node?

Documentation for importprivkey RPC command has an optional boolean argument called "rescan" which hints that the user may want to rescan the blockchain to be able to see previous deposits to this ...
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0answers
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How can I import a binary number with 256 places as a private key into my Litecoin wallet?

I'm not a coder, so excuse the dummy terms: I have 256 binary characters in 0's and 1's... This is a private key to my wallet... How the hell do I import this 0' and 1' into my Litecoin wallet.
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0answers
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Import a wallet generated by another website to my node? [duplicate]

so I have a wallet generated by some other website, I have the address and the privkey. I want to get that wallet imported & all it's previous transactions into my full node, I am using Bitcoin ...
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2answers
1k views

Import multiple watch-only addresses using importaddress?

With the importaddress RPC command it is possible to import one watch-only address. But how can I do that with, let's say, 100?
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0answers
337 views

How can I add an old Bitcoin wallet address from Bitcoin Core to MultiBit HD?

I have a wallet with Bitcoin Core. I have used that address on various sites to receive payments from them. I want to add that address to my account on my MultiBit HD program so it will just carry ...
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0answers
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How can I export my wallet from blockchain.info to Multibit? [duplicate]

I need to export my wallet from blockchain.info to Multibit, but i have no idea how to do it, can you please help me? thank you
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0answers
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Is it possible to import transaction history from an old electrum wallet to a new electrum wallet?

I see there is an option to export history but no option to import history. It would be nice to keep all my history in one wallet. Thx.
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1answer
183 views

Can I 'un-import' private key?

I'm checking out the test net and a friendly person gave me access to his private key so that I didn't need to generate coins, so I importprivkey the key, sent me some coins and... Well, I understand ...
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3answers
295 views

Why I don't need to specify public key to import paper wallet

I created a paper wallet on coinbase and wanted to import it to coinbase.com. It allowed me to import it by specifying private key only. I was surprised that I didn't have to specify public key as ...
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2answers
10k views

Why doc says importing private keys is so dangerous?

There are a lot of applications when someone would like to import a private key. However in wiki documentation they say it is very dangerous: https://en.bitcoin.it/wiki/How_to_import_private_keys ...
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1answer
2k views

How can I import a private-key to Blockchain.info in order to use it?

I recently bought a BTC-wallet from my friend. It has a cold storage wallet ("Watch only") and a private key (which is a bunch of numbers and letters). How can I use it in Blockchain.info? How do I ...
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2answers
718 views

Bitcoin-qt import private key crash

Importing a private using the debug console causes a crash, I always have to kill from shell the bitcoin-qt app and restart it. Is there any way to prevent this? Is there a way to import the private ...
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2answers
177 views

Using paper based public/private keys in bitcoin-qt [duplicate]

If I only have a public key string and a private key string written on a sheet of paper. How do I use those in bitcoin-qt? If this can be added to bitcoin-qt, will it eventually show me how much ...
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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 ...
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2answers
93 views

Would Bitcoin-Qt ever use an imported private key's public key as a future change address?

Let's say I import a paper wallet's private key into my Bitcoin-Qt client. I then manually sweep the entire balance from that private key to a different Bitcoin-Qt private key/address with a new ...
2
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1answer
571 views

ELI5: How do I import keys from blockchain.info backup into MultiBit 0.5.18

So, blockchain.info is holding my account hostage. My phone with my 2FA was lost (and remotely wiped) and they refuse to remove the 2FA on my account to get access. I have a recent backup of my keys ...
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1answer
123 views

Help with missing transaction

I'm trying to learn how to programmatically interact with the Bitcoin protocol. I've, seemingly, successfully generated a private key, WIF, and public address with code. I used Coinbase to send .001 ...
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0answers
301 views

Converting multiple btc private keys in standard text format to WIP

Ok, going crazy! I have a file that lists my old private keys (2011) (not original wallet.dat, just keys txt file). I need to convert each of these keys (not one at a time) into either a WIP key (...
2
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1answer
93 views

How do you redeem a compressed key?

There is very good answer here: How to redeem a basic Tx? It works great. But the algorithm is only for uncompressed addresses/keys, how can I change it to deal with compressed ones? And the second ...
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2answers
4k views

How can I import blockchain.dat into bitcoind?

I'm getting the latest torrent and I'm running bitcoind on my linux box. How can I import this once it's downloaded?
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2answers
238 views

Issue after importing private key to MultiBit

I followed another question here and imported my address from Bitcoin-QT to Multibit. The reason why I did so was because I had received some BTC but in Bitcoin-QT it was taking years to download the ...
13
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2answers
7k views

Why so many warnings about importing private keys?

Blockchain.info and other products make you read dire (but vague) warnings that "you must be an expert" before you can import private keys. What's that all about?
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2answers
2k views

Getting keys from multibit to export for electrum

I want to switch from Multibit to electrum. I can't figure out how to make use of the key multibit exports when it does a backup. Electrum and blockchain.info both seem to want something I can paste ...
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1answer
1k views

Why are imported private keys stored to addressbook instead to recieving wallet?

I followed this guide to import private keys which I generated with vanitygen into litecoin-qt. walletpassphrase yourLongPassphrase 300 importprivkey yourPrivateKeyInWalletImportFormat But now - why ...
2
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1answer
5k views

How do I import to MultiBit from Blockchain.info?

I have a single password and a yubikey on my account at blockchain.info. When I try to import the wallet.aes.json file nothing happens. When I select the import file, MultiBit never displays the '...
4
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1answer
5k views

Why might MultiBit not show a transaction that was sent to me? [duplicate]

So i recently bought a bitcoin from a vendor , and i had it sent to my Address in multibit. Now the problem is , the money isn't there and i'm not sure what to do. He told me to get bitcoin (program)...
4
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1answer
3k views

How to transfer addresses from Satoshi client to MultiBit?

I'm trying to take an address from my Satoshi client and transfer it into my new MultiBit client. I have found several questions similar to this, and have tried all their solutions, but to no avail. ...
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2answers
41k views

How do I import a private key into Bitcoin-Core?

How do I import a private key into Bitcoin-Qt? bitcoind is nowhere to be found, and pywallet says it requires "bsddb" when I run it, which is also nowhere to be found. I generated some vanity ...
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3answers
364 views

How does ImportPrivateKey get the Address if I don't explicitly send it?

Suppose I just used vanitygen to create this key: Pattern: 1a Address: e1aMGYXuGpUwDGH9gz3ZBs8UH746nRdEk6 Privkey: 5KhCszBi22hEZZixPEQkLAMtUVkxbGaxBFsH7a9iefqrxHmSXgH All I had to do to import this ...
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4answers
34k views

How do I import private keys from Bitcoin-qt to Multibit client?

Question says it. I spent 20 mins Googling. Saw several links on bitcointalk.com but amazingly found no solution to this. Am I the first one trying to do this? Note the following are not the ...
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3answers
524 views

Can we use a Paper Private Key that has been loaded in the Bitcoin client?

Okay, I want to start offering Bitcoin as a payment option on my e-commerce site. For now, I just want to keep it simply as an option for those overseas customers who don't have credit cards/PayPal so ...
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3answers
837 views

Will I need to keep track of my old private keys forever?

Let's say someone (person A) starts using Bitcoin and in a period of time eagerly publishes some of their randomly generated (eg. by the Satoshi client) receiving Bitcoin addresses on formus, sends ...
2
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1answer
3k views

How do you import Block Chain from bitcoincharts?

I went to http://eu1.bitcoincharts.com/blockchain/ and downloaded the most recent build. Then I extracted it and was left with BLK0001.dat and BLK0002.dat. What is the next step? I tried replacing the ...
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1answer
9k views

Extract private keys from Bitcoin Wallet

I have encrypted my bitcoin wallet. I know the passphrase, that's not the issue. I want to transfer my bitcoins to blockchain.info but it's asking me for the private key. I cannot find it nor can I ...
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2answers
2k views

Easiest way to collect funds of big lists of bitcoin privatekeys

I am setting up an webstore where you can pay with bitcoins. Therefore I created a bulk list on bitcoinaddress.org. I save the public addresses in a database and attach one to each transaction. Then I ...
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1answer
595 views

Which mobile apps allow me to redeem a private key from a QR code?

Which mobile apps will let me scan a QR code of a private key (such as the one created by BitAddress) and then spend the funds from that coin? Please specify Android, iPhone (iOS), etc.