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21 votes
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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 ...
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  • 7,439
16 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 ...
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  • 13.7k
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 ...
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  • 60.6k
12 votes

Is 12-word seed phrase safe enough?

Is this considered safe enough? Nothing is "safe enough" if we do not know the cost. OK, if you have $100k in bitcoins the 12-words phrase is safe enough. If the 12-words phrase is the seed to the ...
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  • 6,552
11 votes
Accepted

What BIP32 derivation path does Electrum use?

It uses m/0/<n> for receiving addresses, and m/1/<n> for change addresses. Here's some example bitcoinj code to generate receiving addresses from an extended public key. String ...
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  • 28.6k
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 ...
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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 Ledger, Trezor, Bitpay/Copay, etc. Electrum uses a different – more ...
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9 votes
Accepted

How do I create a new address in Electrum?

With Electrum 2.x, a wallet can contain either keys you've imported from elsewhere, or keys which are generated (deterministically) by Electrum. You cannot store both types of keys in a single ...
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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 ...
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  • 118
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 ...
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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 ...
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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, ...
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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 ...
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  • 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 (...
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  • 201
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 ...
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  • 62.5k
8 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 ...
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8 votes

Importing private keys creates different address

Prepend "p2wpkh-p2sh:" to the private key before importing it into Electrum. For example: p2wpkh-p2sh:5Kkzs8XrJNAmf9VQDFeGBfaRvSByAvPK6DbDXw5BVqswWaXSG2Y
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  • 2,530
8 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 ...
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  • 2,530
7 votes
Accepted

How do I view the extended public key in Electrum?

How do I view my extended public key? Go to Wallet > Master Public Keys, and copy the text that starts with xpub What are the consequences of giving my extended public key to someone? They can ...
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  • 28.6k
7 votes

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

See BIP45. Electrum is ordering the pubkeys lexicographically, ie 03722ef79a70b43843c642f3495d2b9b8a6403189d52a04ecac652c133f7940fed 03f5ce19296793c6695bfefd7ead459a3f88ef776d8fc08b470dbc749d266d5 ...
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7 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 ...
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  • 60.6k
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, ...
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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 ...
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6 votes

Can I use my Electrum seed without Electrum?

As Electrum is open-source software, we can probably safely assume it will never go away. That is, even if the devs were to take it off of github etc, there are likely thousands of copies of the ...
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6 votes
Accepted

What does it mean when addresses are labelled "beyond the gap limit (highlighted red)"?

If you have your wallet seed it is fine: From what I understand, your coins are safe, they will not be lost as long as you have wallet seed. When reimporting, Electrum would just not look far enough ...
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  • 62.5k
6 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. ...
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6 votes

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

According to this FAQ: In Electrum 2.0, you cannot import private keys in a wallet that has a seed. You should sweep them instead. If you want to import private keys and not sweep them you need to ...
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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 ...
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  • 726
6 votes
Accepted

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

Use the secondary click on a address and then the "Send from" option.
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  • 1,407
6 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. ...
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  • 161

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