Questions tagged [electrum]

This tag should be used for questions about Electrum, a lightweight Bitcoin client written in Python

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Convert EC PRIVATE KEY from .pem into WIF

I have a openssl generated private key in the following form: $ cat priv.pem -----BEGIN EC PARAMETERS----- BgUrgQQACg== -----END EC PARAMETERS----- -----BEGIN EC PRIVATE KEY----- ...
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23 views

Is it possible to recreate a multisig wallet with just 2 out of 3 private keys?

Example: Created a 2 of 3 multisig wallet in Electrum Send funds to the multisig wallet Lost the Electrum wallet Access to two of the private keys (e.g. 2 trezors) Is it possible to recreate the ...
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39 views

Is there any full node supporting multiple crypto currencies like BTC, BCH, Litecoin?

I want to use JSON-RPC protocol in my application such that it should support multiple crypto currencies.Is there any single full node supporting multiple cryptocurrencies.
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Command 'electrum' not found [migrated]

I just installed (using sudo -H) electrum 3.3.8 on 18.04 LTS ubuntu and it looks like everything works: the results of python3 -m pip install --user Electrum-3.3.8.tar.gz[fast] are: Successfully ...
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LCC Electrum Wallet Set Up With Ledger Nano S Cannot Find Private Keys, Sweep or Generate Seed [closed]

I have a problem with Electrum LCC Wallet. I set up the wallet using Ledger NANO S and seems it somehow attached itself to the LTC wallet in Ledger. I get this message every time I want to send LCC ...
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70 views

Bitcoin block headers download

i need all block headers hash (about 500k records), i tried to get from electrum wallet files, but when i convert the file to Ascii, it doesn't have full list. please help.
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27 views

Can I change a transaction description in Electrum while the transaction is still unconfirmed?

I inserted a wrong description into a transaction made with Electrum per mistake, so I double clicked the description in and changed it to another value, while it was unconfirmed. My question is, will ...
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21 views

Does Electrum reveal a wallets public key to Electrum Servers?

When Electrum Bitcoin wallet queries a random Electrum Server does it send the public key to the server or does it send a batch of addresses to check? For instance, after setting up Electrum Personal ...
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26 views

Can TREZOR sign transaction with input address beyond gap limit?

Suppose I use TREZOR with Electrum or Bitcoin Core HWI and significantly change the gap limit to, let's say, 100 000 addresses. I then receive BTC to my 999 999-th address and want to send them ...
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32 views

how to move bitcoin from watching only wallet to standard wallet in electrum 3.3.8?

I accidentally swiped my bitcoin into a watching only wallet in electrum and I need help to move it from "cold storage" to an active standard electrum wallet... Help!
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Is it possible to run electrum without QT on Ubuntu?

I want to run an electrum server and don't need the GUI. When I install it, I get: ubuntu@comp:~$ electrum qt.qpa....
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20 views

Bitcoin is not sending to correct address

While trying to send bitcoin I keep putting the correct address in the 'pay to' section but it keeps sending the bitcoins to the wrong address. While clicking the preview section on electrum the '...
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24 views

Is it normal all testnet p2wsh cosigners have same master public key?

Created a testnet p2wsh Electrum multisig 2 of 3 wallet. When I click on the radio buttons in Wallet/Information, all cosigners have same Vpub master public key. Normal? Asking because I am trying ...
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50 views

Transaction fee of 8.44 mBTC for 1.22 mBTC?

I made a transaction of 1.22242 mBTC with the electrum client and, I don't know why, it looks like it transferred all the remaining BTC from my account to myself which made a 13063 bytes transaction ...
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21 views

Centos electrum public-key import

I have several bitcoin addresses (together with corresponding public keys) from Electrum wallet I've used previously. I moved to another CentOS server and now I need to import this addresses back. But ...
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Term meaning query

I am only new to Bitcoin and I would like to know what a "Green address verification" is, I have an electrum wallet ver 3.3.6 and I think it is used for faster transactions but I am not sure any info. ...
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20 views

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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74 views

How to create valid P2SH-address with Bitwasp-Library that can be used with Electrum?

There is something I didn't understand regarding different Address formats. In short: I create a Master key, import it via xprv-Key into Electrum, generate P2SH and P2WSH-Adresses, send Coins to it ...
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40 views

Do I wait or do I have to do something about it?

Nooby question here, I payed/sent an amount and it failed somehow, so I tried again and again. I checked their website and it´s all "failed" or incomplete. But is has a checkmark(sent) on Electrum. ...
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159 views

Sent Bitcoin to my electrum wallet address without hitting request first now it says its confirmed and i have no money after requesting it

Sent Bitcoin to my electrum wallet address without hitting request first now it says its confirmed and i have no money after requesting it after Isent it. Can I still receive my coin
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27 views

How many confirmations does a transaction needs to be included in a snapshot?

I bought bitcoin to participate in bitcoin hex. I sent my bitcoin to the electrum wallet and it has over 500 confirmations. Bitcoin Hex will snapshot bitcoin and I want my bitcoin address to be ...
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68 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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53 views

I can't find my bitcoin address

i am using electrum. First, I had a bitcoin address and I used it once to receive BTCs and then it changed. but new address is invalid. i tired so many times. i checked all the options. but it was not ...
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148 views

Can Large Bitcoin Collider break into the wallet which is created by new version of Electrum?

I have heard that Large Bitcoin Collider can only break into wallets that are created by broken software. My other question is that it seems the last private key that they found was on 2017-11-15 01:...
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47 views

Link my bitcoin address with multiple wallets

I created a CoinBase bitcoin wallet address, can I share this address with Electrum desktop software instead of having different addresses and paying the transfer fees. Or is there another wallet like ...
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39 views

LedgerJS - How to P2SH sign multiple transactions from multiple wallets in 1 function call?

First some explanation I have made 2 raw transactions via Electrum using my Nano S Ledger as seed and exported them to .txn files. let rawTx1 = "...
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51 views

What does the prefix of the raw transaction encoding of an exported Electrum transaction file (.txn) mean?

I have exported a testnet transaction into a .txn file: { "hex": "45505446ff0002000000000101c6be24d86ab1ae5b54e7e7905b...", "complete": false, "final": false } However, as explained in ...
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114 views

getbalance and listaddressgroupings inconsistent

I imported a private key from my electrum wallet (testnet) to bitcoincore (testnet) as follow: In my electrum wallet, I copy the private key associated to the address ...
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61 views

Why do LedgerJS and Electrum, using the same Nano S and derivation path, not refer to the same Wallet?

I start Electrum in my cmdline like this: ./Electrum --testnet I connect Ledger Nano S to my laptop. In Electrum I make a new HD Wallet with Derivation path using the Nano S's private key as seed: "...
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48 views

Extremely high fee for sending BTC using Electrum android wallet

I wanted to experiment with android mobile BTC wallets and stumbled upon Electrum. I only have one transaction input to this wallet and that was from my Binance account. I have a balance of 0....
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42 views

electrum wallet listaddress without change addresses

i use the command electrum listaddresses -w .electrum/testnet/wallets.... On a bash console to get all addresses of the wallet. This however also return the "change" addresses which i cannot ...
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51 views

Transfering btc from blockchain to electrum wallet, still unconfirmed

i transferred btc from blockchain to electrum wallet. it has like 132 confirmations but on blockchain it's still Pending: 0/3 Confirmations Status. I paid fee and everything. Is this something normal ...
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171 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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81 views

Spending BTC from an Electrum watch-only paper wallet?

I've an old BIP-38 paper wallet, and I imported that address into an Electrum (version 3.3.6) watch-only wallet. I now want to transfer that BTC to an Exchange. I have the relevant password for the ...
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59 views

I used an old wallet address. Is my coin lost?

I was stupid enough to use an old exported QR code from my Electrum to send bitcoins to, and now I realized the address apparently has changed. The trader advises me the coins have been sent, so they ...
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2k views

Bitcoin automatically diverted to bech32 address

I sent bitcoin to an address starting 3Cn using Electrum but the blockchain viewers seem to show that it has gone to an address beginning bc1 as shown in the link below. Transaction Viewer How can ...
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58 views

What does “Nonstandard output” mean on Tradeblock transaction page?

I tried to send bitcoin but the recipient hasn't received it. The trade block page shows "Nonstandard output" under outputs as shown in the link below: Tradeblock page for transaction I used an ...
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57 views

Electrum Linux run without sudoers installation

How to easy run Electrum wallet without its installation on Linux? I want to run it from a single user account with no sudo. It is possible?
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88 views

Should Electrum users give out their master public key?

I have seen a recent service advertising that users can turn their Electrum Wallets in to a "Cold Wallet" by providing the 3rd party service the Master Public Key from the Electrum wallet. Ignoring ...
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How to use Electrum GUI and Daemon at same time in seperate shell?

I'm running electrum via gui,and when I use the console the Font is so small and I haven't found a way to increase the size of console output. Is there a way to increase the size of text ? If not is ...
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188 views

What is the command line command in electrum to get my public bitcoin address from my private key?

I have a bitcoin private key and I want to get the bitcoin address from it. What is the command in the command line for electrum to extract this address?
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295 views

Electrum 3.3.2 the transaction was rejected by network rules dust error… Tried different nodes, Doesnt Work

I'm getting the an electrum 3.3.2 error with something to do with dust. the transaction was rejected by network rules dust error I'm using the cli to send out a transaction and its just using 1 ...
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94 views

Electrum's “script hash” form with NBitcoin?

I've come across how scripts are hashed in the electrum (stratum) protocol implementation by looking at the docs. I'm using NBitcoin, and I've tried to generate this hash from a segwit address, first ...
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67 views

What are the pros / cons of using Electrum 3.3.2 over Bitcoin core 0.17.1? And what about running your own Electrum Server?

Aside from not having to download the entire bitcoin blockchain when using electrum, what other advantages are there over using Bitcoin core 0.17.1? Also if I chose to use my own electrum server, ...
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24 views

Do exchanges use Bitcoin Core when managing user's bitcoin addresses?

I'm trying to learn to build out an exchange and would like to know how existing exchanges manage user's bitcoin addresses. Do they use Bitcoin Core or Electrum? And does each user have their own ...
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138 views

Electrum giving RPCerror during a send transaction. “the transaction was rejected by network rules. Missing inputs”

In recent days due to the Electrum being attacked, I upgraded to the latest 3.3.2 Electrum. But now I'm getting the error as seen below: "the transaction was rejected by network rules. Missing ...
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3answers
79 views

Generating bitcoin wallets for my customers [closed]

I run an application written in PHP and need to add the option to buy services with bitcoins. So, for each user i need to generate a unique, unused bitcoin address. I could generate X number wallets ...
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206 views

Electrum LTC keeps synchronizing. Why?

In this question, I talked about electrum litecoin wallet keeps synchronizing. Electrum Litecoin keeps synchronizing. What should I do? Reinstalling a newer version works. While I already solved my ...
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398 views

Electrum Litecoin keeps synchronizing. What should I do?

I got 65 ltc on my wallet. Electrum only jot down 35. I can't send money because I got error message server not responding I transferred the seed to another electrum wallet. It works. How do I fix ...