Abdussamad
  • Member for 8 years, 8 months
  • Last seen more than a week ago
How do I send Bitcoin in paper wallet to other person?
24 votes

Spending money from a paper wallet is the hardest part. Making the wallets themselves is easy but spending the coins is harder than it should be. Here's a guide on how to do it safely: Create a NEW ...

View answer
Offline Wallets: Electrum vs Armory?
Accepted answer
12 votes

Electrum is easier. Armory is harder. Electrum lean towards minimalism. Armory is aimed at power users. Even though you asked about offline wallets you will likely want to maintain a watch only ...

View answer
How to get Master Private key in electrum wallet
8 votes

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 ...

View answer
Importing private keys creates different address
8 votes

Prepend "p2wpkh-p2sh:" to the private key before importing it into Electrum. For example: p2wpkh-p2sh:5Kkzs8XrJNAmf9VQDFeGBfaRvSByAvPK6DbDXw5BVqswWaXSG2Y

View answer
Python: How generate bitcoin addresses using electrum library
5 votes

The derivation path you used is incorrect. Electrum does not use bip44. Anyway here's one way to do this for p2pkh addresses: from electrum import bitcoin from electrum import keystore seed = "<...

View answer
How much should I spend when I send BitCoin to other people using electrum wallet?
Accepted answer
5 votes

Does this make sense to you? ---------|------------------- low/slow........high/fast The further left you move the slider the lower the fee you pay and the longer it'll take to confirm. The ...

View answer
How to sweep a segwit bech32 private key?
Accepted answer
5 votes

Use Electrum 3.1.1 and prepend "p2wpkh:" to the private key before importing or sweeping it. For example: p2wpkh:5Kkzs8XrJNAmf9VQDFeGBfaRvSByAvPK6DbDXw5BVqswWaXSG2Y

View answer
Creating a new electrum 3 wallet file with an imported segwit private key
4 votes

Use this python script: from electrum import bitcoin format,privkey,compressed=bitcoin.deserialize_privkey("<yourprivatekeyhere>") print( bitcoin.serialize_privkey( privkey, compressed, "...

View answer
Could a hacker replace Bitcoin QT in some Linux repository and steal Bitcoins?
4 votes

You know you don't have to trust the repo. The developers of Bitcoin-QT actually recommend using their binaries rather than the distro's. So you can just keep up to date with those. Official binaries ...

View answer
XPUB, YPUB, ZPUB Converter Tools
3 votes

There's a command line electrum option convert_xkey. If you're on linux or macosx you can see the documentation for it via electrum help convert_xkey. Alternatively you can use the console tab of ...

View answer
Can I know if a bitcoin private/public key or address was derived from another key in an HD wallet by its structure?
Accepted answer
3 votes

Individual address private keys begin with 5,L or K. What you're calling root private keys are actually called extended private keys and they begin with ?prv where ? is either x,z,y,Y,Z. You can see ...

View answer
Change address after payment
Accepted answer
3 votes

There will be no change in this scenario on only one output sent to bob's address. Note that 0 fee transactions are unlikely to be mined these days so do include a fee. Usually you let your wallet ...

View answer
Why do HD seeds use a word list?
3 votes

The bip39 algorithm is badly designed and that is why it is dependent on a specific wordlists. Each time you want to add a new language you have to update the BIP! Electrum has it's own seed ...

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

You don't have do anything. That transaction will confirm in due course of time. You don't have to keep electrum or even your PC running. On average it takes 10 minutes for the first confirmation. ...

View answer
How to get public key from a Electrum based wallet?
3 votes

If you mean the extended public key aka master public key then you can get that via wallet menu > information. If you mean the address specific public key go to view menu > show address, switch to ...

View answer
What is this 18-word seed of random letters?
2 votes

It's an armory backup seed. See https://www.bitcoinarmory.com/. It's a wallet that requires bitcoin core full node so you'll need that as well.

View answer
BTC received in BECH32 (P2WPKH) format address not exist in Electrum
Accepted answer
2 votes

did you prefix p2wpkh: to the wif when importing? do you see the address under the addresses tab? view menu > show addresses if it's not there.

View answer
Why I have some many address when I only created two wallet address in Electrum?
2 votes

The addresses tab is hidden by default precisely because new users get confused by all these addresses. They are all a part of your wallet and it is best practice to use a different one for every ...

View answer
wallet.dat on usb to electrum
2 votes

Electrum does not support bitcoin core wallet files. What you can do is dump all the private keys using bitcoin core and then import them into electrum. So first make sure that the wallet.dat file is ...

View answer
Having trouble transfering private keys from Bitcoin Core to Electrum, for want of not having to wait for sync
Accepted answer
2 votes

Redo the import. Start via file > new/restore, enter a unique filename and click next to begin the process. This time prepend one of the following to the private key: p2wpkh: if the address in ...

View answer
Inbound requests after opening Electrum
Accepted answer
2 votes

As @Anonymous said Electrum servers listen on port 50002 so that's what you are seeing here. Your phone is connecting from a random local port to remote 50002 on the servers. Electrum gets ...

View answer
CoPay Limits per day
2 votes

There are no limits set by the wallet itself. As long as the co-signers agree you can do what you like.

View answer
How can someone get my private data (such as email, name, IP ...) from bitcoin transaction?
2 votes

IP addresses are not private information. As for email and name no one can get that information based on the blockchain data alone unless you go out of your way to publicly associate your identity ...

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

A watch only version of a multisig wallet must be created using the xpubs of both wallets not just the xpub of one wallet. Now there are two possibilities here: You created a wallet with one xpub and ...

View answer
Why bitcoin addresses have different number of characters?
Accepted answer
2 votes

Bitcoin addresses are 160bit numbers. They are derived by running the public key through hash functions. The result is a number in a fixed range i.e. 0 to 2^160. This is then encoded in base58check or ...

View answer
Can I use Copay wallet from Iran?
2 votes

Yes you can but I recommend Electrum instead because with Electrum you are not relying on one server for your view of the blockchain. Copay and Electrum are both wallets that give you control of and ...

View answer
Multibit HD shows confirmed transactions as unconfirmed
2 votes

Multibit HD is end of life software so you should migrate to Electrum. The MultibitHD developers themselves advised users to do that. Here's a detailed guide.

View answer
Is a miner running a full node?
2 votes

Miners no longer run full nodes. They connect to a mining pool that gives them work to do. The pool runs a full node. If you mine solo you'll need to run a full node but solo mining doesn't make any ...

View answer
can I use same wallet/private keys twice
2 votes

The idea behind hardware wallets like the trezor is that the wallet secrets, such as the seed and derived private keys, remain on the device and are never revealed to your PC. To use the seed of a ...

View answer
In a bitcoin multi-sig wallet, can i determine which of the m of n keys were used to send bitcoin?
2 votes

The signatures and public keys have to be supplied to spend the coins so yes you can tell by looking at the spending transaction on the blockchain.

View answer
1
2 3 4 5 6