Questions tagged [electrum]

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

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Calculating the cost to send bitcoin?

This is a follow-up post to this question. I am using Electrum to send Bitcoin. From what I can gather, it doesn't seem like there is a way to know your "inputs" upfront. The inputs are the various ...
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Electrum history working locally, but not on server?

If I type this locally: electrum server Then I see the correct details: { "summary": { "end_balance": "0.009", "end_date": null, "from_height": null, "incoming": "0.009", "outgoing":...
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Intermittent error “min relay fee not met” even with decent fee and custom Electrumx+Bitcoind

I have an automated system that sends BTC payments via Electrum for a client. Now, it happens again and again that payments keep failing with "min relay fee not met" (RPC call failed: {"code":-32603,"...
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How to access Electrum remotely via the rest api?

I am able to execute calls on the server from the server. When I say calls, I mean like this. I.e. I can get the latest addresses doing something like this: $ch = curl_init(); curl_setopt($ch, ...
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Electrum I can not make Legacy Address [closed]

I created to Electrum wallet and I set it up as a Legacy address with 2FA... because I want to claim a airdrop for HEX Coin on Dec 2 2019 that needs to have a legacy address that starts with a... 1 ...
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Delete a specific private key from an Electrum 3.3.8 wallet via the command line?

I imported a few private keys into my electrum wallet via the command line. Now I want to delete these specific private keys from electrum 3.3.8 - What is the command to delete these keys from my ...
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Lost Transaction from Blockchain.com to Electrum

This link, https://www.blockchain.com/btc/tx/a081d03519bc0f1dcf4ac391da6f54d4d6091c458530b620f96eca5c1c5a3511, shows the transaction was delivered to the address "1Mv4fi8UdVhbfm9iLx2Bf8xhDrMv9sZSyD" ...
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Is the electrum android private key secure?

I have used electrum for many years on my desktop pc, and have alway felt very secure in doing so because of my ability to use a very strong password to encrypt my seed phrase with. However I just ...
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62 views

What are the difference between a segwit and legacy wallet

I am installing a mobile wallet and it ask me what type of address I want to use, I want to try and use a segwit address but is there a risk that my coins will be lost if I try to transfer fund from ...
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1answer
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Can I import my wallet while my btc core is syncing

I'm upgrading my btc core to v0.18.1. I'd like to export my wallet to electrum. Is it possible while syncing? How?
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Electrumx protocol

The description states: A script hash is the hash of the binary bytes of the locking script (ScriptPubKey), expressed as a hexadecimal string. The hash function to use is given by the “...
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Imported keys to electrum

I recently had an unconfirmed transaction on my btc qt wallet. I am upgrading my btc qt now and it is syncing. In the meantime I imported my keys from all my receiving addresses to a software wallet. ...
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Electrum-personal-server isn't seeing any historical transactions; using a Trezor

I followed the instructions in the Electrum Personal Server guide. I know that the transactions are there because I checked wallet.trezor.io. But none are showing up in Electrum. I have run --rescan. ...
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Transaction with highest fee, but stuck, what did I do wrong?

I recently sent btc that appears to be stuck (https://live.blockcypher.com/btc/tx/c131d65d933e343f852021830b833123de952c1857f264503388cf642655c457/) The interesting thing is that I used a higher fee (...
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Unconfirmed transaction. How to make my wallet made whole

I am running a node with an unconfirmed transaction. I tried shutting down my btc qt so the transaction would be forgotten. To no avail it keeps rebroadcasting the transaction. I am in the process of ...
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Esplora on local elementsregtest - parse failed: data not consumed entirely when explicitly deserializing

this is related to esplora (the block explorer) and its electrs backend API. Is it possible to run esplora for a just a local elementsregtest? When I launch electrs this is the error I receive back: ...
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1answer
38 views

Electrum address syncronization

I need to periodically check the balance of a number of bitcoin addresses (a few tens or hundreds addresses). I noticed that Electrum may syncronize a thousand or more imported addresses in a matter ...
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34 views

Are transactions with an insufficient value marked as “failure”?

I have made a payment with an installed CardGate(curopayments.com) bitcoin gateway on a site, got a unique deposit adres, i sent a bit less than actual asked. The problem now is that the site owner ...
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77 views

Import bitcoin core generated multisig public address to electrum multisig wallet for watch(2/3) and sign(1/3)

I have 3 Machines, and I want to create (2/3)multisig wallet. Sign with other machines safely. I have; xpub1, xpub2, xpub3 xpriv1, xpriv2, xpriv3 Machine-1: In electrum: New/restore->Multisig Wallet-...
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having trouble installing electrum, can't find libsecp256k1

I'm having trouble running electrum from source. Seems I need to install libsecp256k1 (but I have bitcoin core v.18 installed so i thought i already had it). Electrum has docs about this: https://...
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51 views

Strange LockTime values in Electrum transactions?

Electrum includes a locktime in all transactions by default. Usually the value is equal to the current block height, eg 592918, however it sometimes drops perhaps 20 or so blocks. What is going on ...
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150 views

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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1answer
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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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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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115 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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32 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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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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1answer
32 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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63 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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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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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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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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1answer
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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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1answer
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What does “Green address verification” mean in the context of transaction validation?

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 the term is being used in the context of faster transactions ...
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1answer
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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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135 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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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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325 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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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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1answer
106 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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1answer
107 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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266 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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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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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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1answer
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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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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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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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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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1answer
50 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 ...