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20 votes
Accepted

Bitcoin automatically diverted to bech32 address

I'm sorry to be the bearer of bad news: It looks like your funds are gone and the security of your computer is compromised. A quick google suggests that is one of the electrum phishing destination ...
G. Maxwell's user avatar
  • 7,727
17 votes

What does change address mean inside Electrum wallet?

Receiving addresses are addresses generated specifically for sharing with people to send payments to you. Change addresses are generated by your wallet automatically when you send funds to someone ...
morsecoder's user avatar
  • 14.2k
13 votes
Accepted

Bech32 conversion to legacy P2PKH?

Is it safe to receive funds at this 1FJJd... address? Kind of. Your wallet knows the private key that corresponds to that address as it is the same private key for the bech32 address. However it does ...
Ava Chow's user avatar
  • 70.9k
10 votes
Accepted

How does the electrum wallet 'payto' command work

There is one more step to actually process the transaction, you have to broadcast it. What you have got is a signed transaction which you can save (& even send to someone else to broadcast). The ...
Jikku Jose's user avatar
10 votes
Accepted

Is the Electrum seed compatible with other wallets?

There are different "backup-standards". Some use BIP39 (mnemonic) which lacks a flexible wordlist and versioning. It's used by KeepKey, Ledger, Trezor, Bitpay/Copay, etc. Electrum uses a ...
Jonas Schnelli's user avatar
10 votes

How to make totally secure Bitcoin transactions?

If your machine connects to the internet at all, it should be considered potentially compromised. Consider what happens to it if you visit GMail, which happens to deliver an ad with compromised ...
Hannah Vernon's user avatar
  • 1,559
9 votes
Accepted

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

In fact, the reason Electrum 2.x changed to a 13-word seed* and is incompatible with BIP39 is because they added a version number to the end of the seed. This has the purpose of allowing future ...
ajwest's user avatar
  • 118
9 votes
Accepted

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

Electrum has a list of default servers which you can find here: https://github.com/spesmilo/electrum/blob/afa1a4d22a31d23d088c6670e1588eed32f7114d/lib/network.py#L57. However there is no list of all ...
Ava Chow's user avatar
  • 70.9k
9 votes
Accepted

How to make totally secure Bitcoin transactions?

The primary concern with Bitcoin security is where your private keys are stored. In your scenario the private keys are stored on a Linux laptop which is not unreasonable if you follow good internet ...
sipsorcery's user avatar
9 votes
Accepted

Electrum addresses start with "b"

These are native SegWit addresses, specified in BIP173 using a format called Bech32. They begin with 'bc1'. Addresses that begin with a 3 are P2SH addresses, an address format that has been around ...
Pieter Wuille's user avatar
9 votes
Accepted

How to sweep a segwit bech32 private key?

Use Electrum 3.1.1 and prepend "p2wpkh:" to the private key before importing or sweeping it. For example: p2wpkh:5Kkzs8XrJNAmf9VQDFeGBfaRvSByAvPK6DbDXw5BVqswWaXSG2Y
Abdussamad's user avatar
  • 2,699
9 votes

Importing private keys creates different address

Prepend "p2wpkh-p2sh:" to the private key before importing it into Electrum. For example: p2wpkh-p2sh:5Kkzs8XrJNAmf9VQDFeGBfaRvSByAvPK6DbDXw5BVqswWaXSG2Y
Abdussamad's user avatar
  • 2,699
9 votes

How to get Master Private key in electrum wallet

There are a few ways to do this: If you're on linux or macosx you can do so via the command line: electrum getmasterprivate Alternatively run electrum and go to wallet menu > password to remove ...
Abdussamad's user avatar
  • 2,699
9 votes
Accepted

How to get Electrum 3.1.3 on bitcoin testnet?

General answer is running: $ electrum --testnet If you are using Mac OSX then open terminal an jump to: /Aplications/Electrum/Contents/OSX there you need to run: & ./Electrum --testnet On newer ...
PlatoWright's user avatar
9 votes

Can I recover btc sent to an incorrect address? (electrum)

Can I recover btc sent to an incorrect address? Confirmed Bitcoin transactions cannot be cancelled, reversed, undone or recovered. The only person who can give you your money back is the recipient, ...
RedGrittyBrick's user avatar
8 votes

Is 12-word seed phrase safe enough?

In short: 12-word seed has enough entropy to be safe against brute force attack. First of all not all 132 bits are random. Seed uses some kind of control sum. Lets talk about 128 bits of entropy. Lets ...
Sergey's user avatar
  • 181
8 votes

How do I create a new address in Electrum?

For one new wallet type in electrum console: wallet.create_new_address(False) For 100 new wallets type in electrum-console: for i in range(0, 100): print wallet.create_new_address(False) or just (...
Geograph's user avatar
  • 201
8 votes

Export wallet from Multibit to Electrum

In the current version 2.8.3 of Electrum it's very easy to import Multibit wallets (meaning, migrating from Multibit to Electrum). An important reason to migrate is because Multibit (not HD but the ...
Dr.Bob's user avatar
  • 181
8 votes
Accepted

How to unstuck a low-fee transaction with Electrum?

I've just visited #electrum on IRC to get some advice. While restoring from a seed may make your wallet forget a transaction and allow you to resend it with a higher fee, abpa there told me that this ...
Murch's user avatar
  • 76k
8 votes
Accepted

Why do we need electrs or electrumx alongside bitcoin-core?

Fetch any given address balance This cannot be done with Bitcoin Core. ElectrumX and electrs are examples of software that maintain an address index, which is a database that allows the lookup of the ...
Ava Chow's user avatar
  • 70.9k
7 votes

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

Start Bitcoin Core with the wallet.dat you want to export Dump all wallet keys via Bitcoin Core's Console using dumpwallet wallet.dump, where wallet.dump is the name of the dump file to be created. ...
Aliaksandr Adzinets's user avatar
7 votes
Accepted

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

Why is that so, don't you only need 1 private key to hold all bitcoins and manage them? Sure you could use only one private key and its associated address, but that is not recommended. It is more ...
Ava Chow's user avatar
  • 70.9k
7 votes

How would I need to change ElectrumX to use FIFO selection of UTXOs?

By default, UTXOs are picked randomly. You mean in Bitcoin Core's wallet? No, they're not picked randomly. There are a number of strategies, but in general the aim is to avoid change if possible, ...
Pieter Wuille's user avatar
7 votes

What all the addresses are in my Electrum wallet?

They are indeed all your addresses. The addresses labeled receiving in green are meant to be given to people from whom you wish to accept a payment and the yellow change addresses are there for ...
Hubert Jasieniecki's user avatar
7 votes
Accepted

How are Electrum addresses connected to my private key?

how did Electrum create a new address? Electrum, and most modern wallets are Hierarchical Deterministic (HD) Wallets. They derive a series of private-keys from the "master private-key". If ...
RedGrittyBrick's user avatar
6 votes

How to import entire Armory wallet into Electrum?

In Armory: Select "Wallet Properties". Select "Backup This Wallet". Select "See Other Backup Options". Select "Export Key List". Select "Omit spaces in key data". The important string is the ...
Flow's user avatar
  • 746
6 votes

What BIP32 derivation path does Electrum use for Multisig?

Electrum uses BIP45. m / purpose' / cosigner_index / change / address_index Example for non-change of the first cosigner and first address: m / 45' / 0 / 0 / 0 See: https://bitcointalk.org/index....
Jonas Schnelli's user avatar
6 votes
Accepted

Transaction with highest fee, but stuck, what did I do wrong?

The hourly average fee when this question was posted was between 9 and 10 Satoshi per Byte (sat/B). The latest TX's that I just randomly checked all had 10.03 sat/B fee which is higher than the 4.5 ...
Jose Fonseca's user avatar
6 votes
Accepted

Is the 12-word phrase app-specific?

No your funds would still be at risk. There are only a few popular wallets that use seed phrases. Most wallets use BIP39(https://en.bitcoin.it/wiki/Seed_phrase) but there are some that use different ...
m1xolyd1an's user avatar
  • 5,666
5 votes

How do I view the extended public key in Electrum?

How do I view my extended public key? For Electrum version 3.1.3 and up. Wallet => Information In the information, you can find the xpub (Master Public Key).
Ali's user avatar
  • 161

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