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Questions tagged [electrum]

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

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33 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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1answer
25 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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1answer
20 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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0answers
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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
49 views

Generating bitcoin wallets for my customers

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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0answers
15 views

I want to send/receive payments via python, what are my thin client options

I have a need for the following: 1) ability to create wallets 2) send/receive payments 3) check wallet balances 4) can work in mainnet and testnet Since my blockchain goals are minimal, I would ...
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0answers
22 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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2answers
54 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 ...
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1answer
39 views

Sweeping Private Key With Electrum

From Electrum's documentation, the following should sweep all private keys to a new address: electrum listaddresses --funded | electrum getprivatekeys - | jq 'map(.[0])' | electrum sweep - [...
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1answer
30 views

Does this explanation of the security of an electrum seed check out?

The explanation in question is given here and reproduced below as well: Electrum currently use the same wordlist as BIP39 (2048 words). A typical seed has 12 words, which results in 132 bits of ...
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1answer
35 views

Is there a limited number of addresses a wallet can hold?

Let's say I have an imported-type electrum wallet, how many private keys can I import to that wallet, if there's a limit to it?
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1answer
83 views

Python: How generate bitcoin addresses using electrum library

What am I doing wrong here? I'm trying to generate bitcoin addresses from the seed but they do not match with ones from electrum application. Did I miss something? And I also have trouble with ...
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0answers
22 views

I thought the transaction fee of bitcoin is low, why is this case so high? [duplicate]

I am new to bitcoin. I thought people said that the fee for trading bitcoin is very small. I tried sending my friend 0.5 mBTC and the fee (as small as posssible) was 0.02192 mBTC. It was 4.384% of the ...
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1answer
27 views

I just buy some bitcoin and this is how I see from Electrum, what should I do now to receive the bitcoin?

The first time I receive bitcoin, should I wait until it's confirmed
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1answer
35 views

Is my Tor bitcoind node seen by new normal nodes?

I've finished the setup of a bitcoind node behind Tor like in method 1 of this guide I'd like to be as helpful as possible to the network and especially new nodes trying to sync. Are new nodes able ...
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1answer
20 views

Removing old public keys Part2

I've managed to create a wallet with some old private keys from Armory. After verifying that there are no funds on these addresses, I've closed Electrum and deleted all files in C:\Users\MyName\...
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1answer
26 views

Does Electrum store my seed in their server?

I am new to Bitcoin. I used Electrum software to create my first wallet. When the software generated 12 words, I had written down that in paper. These word are very important, right? But the software ...
0
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1answer
102 views

Where can I find the rpc api endpoints for electrum?

Somehow I cannot find a list of the possible rpc commands. Basically they are just the bitcoin rpc commands I guess but I cannot find a list for that either... There are some examples here: http://...
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1answer
22 views

Electrum issue restoring via seeds

I have an electrum wallet on a server I use 'electrum getseed' and the 12 word seed is returned. Then on a separate local machine I restore the wallet with the seed. No funds available. Any ...
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1answer
19 views

Inbound requests after opening Electrum

A few days ago, I was exploring Electrum (Android) out of curiosity. A few moments later, I get notified by our firewall that it flagged several suspicious inbound requests. The source IPs came from ...
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1answer
20 views

Strange values in Bitcon Electrum wallet file (change and receiving)

I am performing a forensics analysis of a Bitcoin Electrum wallet. When I open the file manually, there are values like this (changed it a bit): "accounts": { "0": { "change": [ ...
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1answer
43 views

In Electrum, is it possible to restore a wallet from seed, from command line?

Technically, it should be always possible to restore an Electrum wallet from the seeds. I know it can be done via GUI, from the New/Restore wizard. Let's say if we are to put this wallet a machine ...
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1answer
31 views

How does Electrum wallet list my transaction record?

I'm a beginner of Bitcoin and blockchain. I use Electrum as my BitCoin wallet, and install it on both home PC and office PC. I can see all transaction records on Electrum wallet of both home PC and ...
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1answer
22 views

Why isn't the description field synchronized at different Electrum wallet?

I use Electrum as my BitCoin wallet, and install it on both home PC and office PC. I fill in "Description" field and send some Bitcoin on the office PC BitCoin wallet, it's OK. The Electrum wallet ...
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2answers
97 views

What should I do if I change my BitCoin wallet?

At present, I use Electrum as my wallet, and I create private key and transfer some bitcoin to the Electrum wallet. If I choose a new wallet such as BitGo wallet listed on https://bitcoin.org/en/...
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1answer
116 views

How to use electrum RPC to get address balance on windows

$ ./electrum-3.2.3.exe --testnet setconfig rpcport 7777 true $ ./electrum-3.2.3.exe --testnet setconfig rpcuser blah true $ ./electrum-3.2.3.exe --testnet setconfig rpcpassword blah true $ ./electrum-...
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1answer
37 views

How much should I spend when I send BitCoin to other people using electrum wallet? [duplicate]

The fee displays "Target: Within 10 blocks, Current rate: 2.5 sat/byte" when I use electrum wallet to send BitCoin to other people. I can't understand completely the means of "Target: Within 10 ...
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1answer
93 views

Litecoin address starting with ltc

my litecoin wallet (shared 2 of 2) on electrum-ltc generated an address to receive LTC. I transfered some LTC to that address and tried to check in block explorer. Unfortunately got such message: ...
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1answer
53 views

Electrum: Transaction Error with Restored Wallet

I am trying to import my bitcoin privatekey to my electrum wallet and use that wallet to create transactions. I restored the wallet using the command electrum restore <private key> The restore ...
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1answer
41 views

Does an unopened encrypted Electrum wallet relay its addresses/transactions to nodes?

I have Electrum 3.1.3 (windows) installed with an encrypted wallet, which is accessed over a VPN. The Issue: I accidentally opened the Electrum program without VPN protection, but the encrypted ...
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2answers
124 views

Get input addresses of a transaction using electrum

I am using the latest (3.2.3) command line version of Electrum. I want to find the inputs of a transaction by looking at the history. The previous version of Electrum (that I was using 8 months ago) ...
3
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1answer
76 views

Electrum multisig 2of2 on separate machines and both offline(cold storage)

I am lost sending coins from these Electrum 2of2 multisig wallets. Call them mutisig1 and multisig2. Both wallets have the 2of2 heading, presumably that means they are correctly setup, they were ...
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1answer
41 views

How to get public key from a Electrum based wallet?

I have created a wallet with Electrum. Now I want to get the public key (not the address, but the public key for key-derivation). How can I achieve that?
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1answer
77 views

Imported Multibit HD wallet into electrum - Bitcoins are gone!

I got locked out of my multibit HD wallet and couldn't restore it with the seed phrase (even though it said they're valid) so I installed electrum and used the seed words to import the wallet. It ...
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1answer
49 views

Electrum personal server rescan-script.py

when i run the rescan script i get the following output: Traceback (most recent call last): File "/home/bitcoin/electrumserver/eps/rescan-script.py", line 71, in <module> main() File "/...
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1answer
42 views

I can't send a transaction from electrums cli

I am trying to send a transaction in the cli using electrum with the command ~$ electrum --testnet payto mvYrQck9VfujSanmwvQxiLab3fLuywGdvh 0.01 -f 0.002 Password: (I entered the correct password ...
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2answers
216 views

Same seed from Electrum but generate different Bitcoin addresses

I am using Electrum 3.2.2, I have the wallet file generated from Electrum and a password to decrypt the file. There is an error whenever I am trying to send Bitcoin out of that wallet, so I decide to ...
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1answer
121 views

How to recover my funds from electrum wallet with privatekey and redeem script?

Hey I think I know the answer already and I kinda screwed up I think I just want to verify. so I send BTC to my electrum wallet and I forgot the seed. I could not find it. but I have the private key ...
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1answer
131 views

How to create wallet in Electrum programmatically?

I want to create new wallet using Electrum-apis. I have gone through the documentation given here but didn't found any method to create a new wallet or an address. Can someone please clarify how I ...
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1answer
62 views

How would one extract the list of public keys from Electrum wallet?

I am looking for a way to extract all of the public keys associated with my electrum wallet. I am aware that listaddresses() does this for public addresses, such as 1CWX7o1Ppe4JpEpSLmuovU4HFY3D6Ay24C ...
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2answers
74 views

Can one recover the full list of public keys generated in electrum with the seed/private key?

I used the wallet.change_gap_limit command in the electrum console in order to generate some 20.000 public keys. Would I be able to recover all of these using my seed after completely removing ...
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1answer
71 views

Is it required to have an electrum account for electrum api usage?

Is it necessary to have an account on electrum in order to build a custom BTC wallet interface using electrum-apis where user can create multiple wallets, address, send/receive transactions? Or, ...
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2answers
71 views

Does Electrum use Bitcore Apis as it's backend?

Does Electrum use Bitcore Apis as it's backend or not? If not, then what is the purpose of developing Electrum when Bitcore Apis provides all the features Electrum has (like HD wallets and master ...
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1answer
228 views

Does Electrum provides any API?

Does Electrum provides any API? If yes, please let me know if there's any dedicated documentation available. Also, does Electrum support Bitcoin Cash? Purpose: I want to integrate Electrum into my ...
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1answer
25 views

Multibit seed/ or files to Electrum wallet

i tried moving multibit wallet as explained here but failed. https://youtu.be/E-KcY6KUVnY i have the seed and password from Multibit wallet and some files from backup folder in the 'mbh......aes' ...
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0answers
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Method getnewaddress not supported. (Electrum 3.x)

Does electrum rpc methods be changed? curl -d '{"id":"curltext" ,"method":"getnewaddress","params":[]}' http://127.0.0.1:7777 I tried this on electrum 3.1.1, but its response as follows: {"code":-...
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1answer
84 views

Electrum iOS alternative that can create multisig wallet with other Electrum wallets?

I want to create a multisig Electrum wallet with two signers: my desktop and my mobile. Since Electrum is not on iOS and I really want to keep using it on my desktop, is there an alternative available ...
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2answers
50 views

Do lightweight wallets validate signatures? If not, why?

I've learned that "some SPV clients simply don’t check signatures themselves at all": https://bitcoincore.org/en/2016/01/26/segwit-benefits/#efficiency-gains-when-not-verifying-signatures I wonder if ...
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2answers
461 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 ...
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1answer
164 views

Electrum console commands?

I need 2 commands for electrum To create X amount of addresses to export those addresses to word or just be able to copy them