Questions tagged [electrum]

Electrum is a lightweight Bitcoin client written in Python

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17 votes
4 answers
29k views

Is 12-word seed phrase safe enough?

Is 12-word seed phrase (as used by Electrum for example) safe enough for generating an offline wallet? My understanding is this: 2048 words pool make 11 bits of entrophy per word. 12 words in seed ...
shx2's user avatar
  • 803
17 votes
5 answers
28k views

How can I transfer a Bitcoin-qt wallet to Electrum?

I am switching from bitcoin-qt to Electrum, and it seems as if I will need to download the blockchain again. Can I copy and paste my wallet.dat into Electrum's files?
tom's user avatar
  • 171
14 votes
2 answers
10k views

Are the Thin clients Electrum and Multibit safe and secure?

How do Electrum and Multibit compare for being safe and secure. Both are open source. Are there any advantages, security wise, to use one or the other? I'm new to bitcoin and the only reason for ...
cookyjar's user avatar
  • 141
12 votes
2 answers
8k views

Bech32 conversion to legacy P2PKH?

Electrum now generates Bech32 addresses for SegWit wallets. Example: bc1qnntcclssmtuvfw2te7q49lzvw67cfvpzxger4j Pubkey: 023f1b3421c6ae0c1758834d40806c2418194b507be261fa343a0636653f3ec75b If I ...
Jonathan Cross's user avatar
12 votes
2 answers
23k views

How do I create a new address in Electrum?

In Electrum, there is no "New Address" button to be found. I tried under the tab Addresses, but nothing there. If I go to Console and try create(), then it returns: Traceback (most recent call last): ...
user's user avatar
  • 1,093
12 votes
4 answers
30k views

How to unstuck a low-fee transaction with Electrum?

I've sent a transaction with Electrum, but accidentally included too little fee. What can I do to speed up the transaction's confirmation or to replace it? This is a complementary question to Why is ...
Murch's user avatar
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11 votes
3 answers
11k views

What BIP32 derivation path does Electrum use?

Electrum 2.0 and up uses BIP0032 internally. I want to write code that generates the same addresses. I can't find any information about this online. What BIP32 paths does it use to generate addresses?...
Nick ODell's user avatar
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11 votes
1 answer
7k views

Is the Electrum seed compatible with other wallets?

Apologies if this is a simple question - a newbie here! I'm trying to understand backups. If I use Electrum to make a back up (including the 12 word seed password), will I then need to use Electrum to ...
Nag's user avatar
  • 113
10 votes
1 answer
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 ...
S.Brown's user avatar
  • 115
10 votes
1 answer
24k views

What does change address mean inside Electrum wallet?

I am bit confused with the change label that is inside Electrum Wallet . Can I receive bitcoin if i give this address which are under change label? What is the difference between Receiving and Change ...
william Henery's user avatar
10 votes
1 answer
4k views

How does the Electrum wallet encryption work?

Nube bitcoin question... I created an electrum wallet, and can find it under appdata on my windows machine. When creating it I set up a pass phrase and password. I sent a small transaction into one ...
steve's user avatar
  • 101
10 votes
3 answers
13k views

How to restore wallet from 15-word seed mnemonic?

The wallet was created around Feb 2013, using unknown wallet software. All that is known is a passprase, and 15 words. I suspect the passphrase was used to encrypt the wallet, and is probably ...
user443854's user avatar
10 votes
2 answers
50k views

What currencies does Electrum support?

The Bitcoin-Wiki page for Electrum says it's a Bitcoin wallet. However, there is also a Litecoin version. What currencies does Electrum support?
user4951's user avatar
  • 1,188
9 votes
4 answers
18k views

Offline Wallets: Electrum vs Armory?

I'd like to secure my bitcoin with an offline wallet. A lot of security conscious people seem to use Armory. I am trying to get a better understanding of the differences between these two clients. I ...
John's user avatar
  • 539
9 votes
1 answer
1k views

Will Electrum mnemonic seeds be forward compatible with all future versions of Electrum?

If I use the newest version of Electrum (2.6.4) to create a mnemonic seed and the current source code (2.6.4) later becomes unavailable, will I be still able to use a mnemonic seed I create now with ...
Nancy Smith's user avatar
9 votes
2 answers
56k views

How to transfer bitcoin bought online to my desktop wallet?

Based on popular recommendations, I have started with Electrum as my Ubuntu desktop wallet and Coinbase as the way to buy bitcoin online. However, it doesn't seem like there is an easy way to ...
Heisenberg's user avatar
9 votes
1 answer
3k views

How to create the same (2 of 3) multisig adresses as electrum's multisig wallets with createmultisig?

Looking to create 2 of 3 multisig addresses with the electrum console with public keys (not the master public keys): electrum createmultisig 2 '["1st public key wallet 1", "1st public key wallet 2", "...
electrum question's user avatar
9 votes
1 answer
2k views

What are the security considerations for hosting *your own* Electrum server?

Lets say I wanted to use an electrum client but I'm so paranoid and also can't or won't read and understand python code so that I only trust my own server. What security considerations should I have ...
barrymac's user avatar
  • 1,605
8 votes
3 answers
12k views

How to get Electrum 3.1.3 on bitcoin testnet?

I'm building an application on bitcoin and want to use testnet instead of using real bitcoins to do my test. I'm mainly using Electrum-3.1.3 to do sweeping of addresses. But how can I switch this to ...
Patoshi パトシ's user avatar
8 votes
4 answers
2k views

What BIP32 derivation path does Electrum use for Multisig?

Same question as What BIP32 derivation path does Electrum use? but for multisig. thanks.
joe.js's user avatar
  • 592
8 votes
6 answers
24k views

Export wallet from Multibit to Electrum

So, MultiBit is not updating the transactions in my wallet, I can see the transactions in the blockchain etc, so the money is there but its just not quite working... I'm hoping to load that wallet ...
Michael Baldry's user avatar
8 votes
1 answer
5k views

How does the electrum wallet 'payto' command work

Hello fellow bitcoin users, I'm currently working on developing an application that takes advantage of the Electrum wallet in order to receive and payout to users of my service. My application uses ...
George Davies's user avatar
8 votes
1 answer
11k views

How do I use electrum on multiple computers?

I would like to use my electrum wallet on multiple computers. Is it just a matter of using my seed to recover the wallet on the other computer, or do I have to do something special to set it up?
Michael's user avatar
  • 81
8 votes
1 answer
1k views

Electrum Wallet - Is it possible to specify inputs in new transaction?

In my wallet, I have bitcoins belonging to three different addresses. I want to send the bitcoins from one of those addresses elsewhere. This is made easier, perhaps, by the fact that the balance of ...
rskaskiw's user avatar
8 votes
2 answers
7k views

Electrum Seed Length

I noticed that Electrum seeds are 13 words long if the wallet has been created by Electrum but if I used a random hex string to create the wallet it always was 24 words long. So before I wrote this ...
UTF-8's user avatar
  • 3,224
8 votes
3 answers
6k views

Checking/polling a balance of an address in Electrum via the command line/RPC

Suppose, I've dynamically -- via the command line/RPC -- created an address or payment_query in Electrum. And saved its details in a database along with the amount of bitcoins I expect to receive. ...
Kolayn's user avatar
  • 81
8 votes
2 answers
8k views

Electrum: "restoring" a wallet from a seed

Suppose I set up a wallet with a deterministic seed passphrase. I then use it, moving bitcoins around, sending some change to change addresses. Electrum will apparently create more addresses when ...
occulus's user avatar
  • 214
8 votes
1 answer
733 views

Is it possible to use BitGo's wallet with other software (Electrum or else), what is the used derivation path?

BitGo wallets are based on a 2-of-3 multi-signature, the end user have access to: - Public key (xpub) of the 3rd signer (as the main wallet xpub) - Native Segwit (Bech32), bc1... addresses to receive ...
intika's user avatar
  • 81
7 votes
3 answers
14k views

More receive addresses with electrum

I cannot find any documentation or an option anywhere in the electrum client to put it into expert mode. I'm not even sure it can be done any longer, and it is important I raise the gap limit. It like ...
John Tate's user avatar
  • 267
7 votes
3 answers
11k views

How do I view the extended public key in Electrum?

Someone's asking for my extended public key. How do I view this? What are the consequences of giving this to someone? Can they steal my Bitcoins if I give this to someone?
Nick ODell's user avatar
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7 votes
3 answers
3k views

Importing private keys creates different address

How does importing private keys work? I have previously imported the private key for a 1Archive... address into Bitcoin Core and noted then it added an address like 1AXbRq... and I didn't follow it ...
Willtech's user avatar
  • 3,269
7 votes
1 answer
10k views

How do I find a list of all Electrum public servers?

I'm developing software that will connect to "Electrum Servers", the same public servers that Electrum Wallet connects to. The user will be able to specify a custom host if they want, so it ...
Inkeliz's user avatar
  • 139
7 votes
2 answers
1k views

Is Electrum's SPV (thin-client) implementation not P2P (as opposed to Multibit's)?

As far as I know, when I use Electrum I'm just choosing servers to trust that hold the blockchain. But in this recently published article I read this about Multibit: It uses a slightly weaker ...
knocte's user avatar
  • 1,784
7 votes
2 answers
9k views

How to import entire Armory wallet into Electrum?

I've managed to import a private key, but how to import an entire wallet?
Gianluigi Tozzolino's user avatar
7 votes
1 answer
2k views

How does Electrum make a keypair out of a seed?

Electrum uses a seed of 12 words to generate a keypair and then hierarchically generates addresses out of that keypair. I know how to generate hierarchic addresses from a keypair, but what I don't ...
Mr Jones's user avatar
  • 548
7 votes
2 answers
463 views

What are the security implications of not hosting your own Electrum server?

Bitcoin-Qt is getting require large and is taking up over 10% of the space on my little laptop. Looking for an alternative, I saw Electrum. I downloaded the app and I'm able to connect to a server, ...
Ramon Tayag's user avatar
7 votes
1 answer
3k views

Electrum exchange rates. Where do they come from and why are they incorrect?

On the simple view on the Electrum client, the value of the bitcoins is displayed in USD, GBP and EUR (changeable by clicking on it). Currently by clicking through, I am seeing exchange rates: 10....
bencoder's user avatar
  • 173
7 votes
1 answer
19k views

Can you use Electrum wallets for storing Ethereum?

Can Electrum wallets be used to store Ether?
watcher's user avatar
  • 71
6 votes
5 answers
3k views

How to make totally secure Bitcoin transactions?

So, I'm wondering if my system of protecting my bitcoin is totally secure. If I have an old laptop, and I boot into tails linux from a flash drive, and download electrum on there, and only ever ...
Costa Michailidis's user avatar
6 votes
3 answers
9k views

How to get Master Private key in electrum wallet

I have a wallet in electrum. I would like to get my wallet master private key. I don't know how to get that. Please, anyone, suggest me steps to get my key Thanks in Advance
user82970's user avatar
6 votes
1 answer
5k views

Electrum addresses start with "b"

As far as I know, all bitcoin addresses start with a "1" or "3" prefix. I've just started using electrum wallet and all the addresses it generated had a prefix of "b", or even "bc". Is this legit or ...
Ahia Cohen's user avatar
6 votes
2 answers
8k views

Why do wallets use multiple private keys instead of one each?

I am learning about Bitcoin and when I was about to export my private key from a single electrum wallet, I found that there were in fact a lot more than one. Why is that so, don't you only need 1 ...
Dedados's user avatar
  • 163
6 votes
1 answer
4k views

What is "the gap limit" in Electrum?

I don't understand this explaination.
ripper234's user avatar
  • 26.6k
6 votes
2 answers
6k views

How to do mass payouts in my application to multiple addresses at once, or very quickly?

Let's say it's pay day--I've accumulated a lot of bitcoins, and sent them all to a single address. I now want to pay a lot of addresses from this "pool" of coins, say anywhere between 100 and 10,000 ...
timetofly's user avatar
  • 201
6 votes
4 answers
11k views

How do I import a Multibit HD wallet with seeds into Electrum?

I installed Electrum to replace the broken and intolerable Multibit HD. I entered my 18 seed words, but it wouldn't allow me to click Next. I clicked Options > BIP 39 and it enabled Next. It created ...
Chloe's user avatar
  • 588
6 votes
1 answer
461 views

Why do the xpubs from electrum and trezor not match when creating a multisig wallet?

For a little background, I am trying to set up a 2-of-3 multisig wallet with 2 trezors and a coldcard. I am trying to verify that my setup is correct before putting any meaningful amount of money in ...
paddy's user avatar
  • 195
6 votes
1 answer
7k views

What happens when "Request expires" in Electrum?

If I understand correctly, wallet is a collection of private keys. Electrum client, in "Receive" tab has this form to request money. Every time new "Receiving address" changes, Electrum has to ...
stil's user avatar
  • 163
6 votes
1 answer
1k 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.
Vinay M's user avatar
  • 63
6 votes
2 answers
890 views

Is Electrum Cryptographically Secure?

Electrum seems very user friendly, thin and convenient, but is it cryptographically secure? One of the ways to attack any cryptographic system is to exploit weaknesses in the key generation algorithm....
Tom's user avatar
  • 61
5 votes
2 answers
12k views

What all the addresses are in my Electrum wallet?

What are addresses mean in Electrum? Are they some default/predefined/popular addresses? Are they all my BTC addresses? Can I delete them entirely? I couldn't find delete option, only freeze. Why ...
Green's user avatar
  • 210

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