Questions tagged [wallet]

This tag should be used for questions that pertain to wallet software. A wallet software is a piece of software which manages users' keypairs, addresses, and transactions. Wallet software also allow a user to send and receive Bitcoin.

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11
votes
1answer
3k views

How to Call JSON-RPC SendToAddress when the Wallet is Encrypted?

I'm using JSON-RPC to send commands to my bitcoind, and it works fine. Now I want to encrypt my wallet. When I've done that, I will need to send the passphrase when calling SendToAddress. How do I do ...
10
votes
3answers
2k views

Is it important to have an unencrypted backup of the private key?

Am I correct that in not having our private keys written in paper or otherwise backed up we are implicitly trusting the wallet developers to keep publishing wallet versions that are capable of reading ...
9
votes
1answer
550 views

Importprivkey's “label” - is it the same as an account?

The "importprivkey" API call allows one to import a private key and save it with a label. Is the "label" in the API call synonymous with an account used in the wallet?
8
votes
3answers
5k views

Best way to mix bitcoins? mixer, coin join (shared send), dark wallet, stealth addresses?

When you want to anonymize a few hundred BTC, what would be the best (safest) way? I can think of these alternatives: Deposit to and withdraw from exchange (like Kraken, Bitstamp, etc)Pros: ...
5
votes
2answers
968 views

What happens when a Trezor is lost?

Trezor is one of the leading implementation of a hardware wallet. Its first generation won't support multisig ... because the Bitcoin network itself doesn't have strong multisig support. What happens ...
4
votes
1answer
7k views

Do you need multiple wallets to manage your cryptocurrencies?

I was wondering those who have many different coins, do they need multiple wallets? or one wallet with that supports different coins is enough.
2
votes
1answer
728 views

Do I need the bitcoin blockchain for having a simple wallet using the bitcoind (daemon)?

I want to start playing around a bit with the technical side of Bitcoins (thinking of setting up an exchange). So I built a bitcoind (daemon) binary from source and now the docs say that when I run ...
1
vote
1answer
1k views

Bitcoin Cash testnet wallet

Hey guys I've been searching for quite some time... Is there any good, except mycelium, wallet which supports testnet Bitcoin Cash? Thanks for answers in advance! Cheers!
18
votes
2answers
1k views

How can I transfer all funds to new keys?

My wallet.dat (bitcoin-3.4) has maybe been left on a work machine, leaving it accessible to the admins there. I would like to transfer all my current funds to a new wallet. How do I do this and how ...
14
votes
2answers
2k views

Is a wallet just a collection of private and public keys?

There is a fundamental bitcoin concept I don't get. Am I correct in that all I "need" to send and receive money are a single address and its associated private key? In other words, can't I just ...
11
votes
3answers
13k views

Wallet on multiple computers

I have a desktop, laptop, tablet, and phone. I want to be able to send and receive payments from all these devices. How do I go about doing that? Do I have to create a unique wallet on each ...
8
votes
3answers
607 views

How does restoring an HD wallet work?

I was trying to learn working of bitcoin and trying to understand the working of bitcoin wallet. I can see the behavior of how an HD wallet starts with an address and adds additional addresses later ...
8
votes
8answers
5k views

How do I extract my private keys from a protobuf wallet?

Recent changes to Andreas Schildbach's Bitcoin client for Android have removed the option to export private keys. This has been replaced by an option to back up the entire wallet. Unfortunately, the ...
8
votes
3answers
48k views

Is it safe to store all my coins on Coinbase?

Is it safe to store my coins (BTC & ETH) on the Coinbase platform or is it safer to download a wallet to keep them in?
8
votes
4answers
5k 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 ...
7
votes
1answer
5k views

How to import a private key to an encrypted wallet (on standard client)

I have a standard client (QT client on OSX) with an encrypted wallet. I've tried to import keys with pywallet, but while it claimed to be importing them, when I ran again the bitcoin client, it said ...
7
votes
2answers
8k views

What if duplicate wallet addresses are created? [duplicate]

I'm a newbie to Bitcoin, so I apologize if this seems like a "noob" question. So, from what I've read: anyone can create a new Bitcoin wallet. Upon creation, a wallet address is automatically ...
6
votes
3answers
9k views

Is it possible to use xpub address to monitor balance from previously generated addresses?

I'm trying to find a way where I can view balance of my ledger nano s wallet without always attaching it to computer all the time. I found something called xpub address which allows me to generate ...
5
votes
2answers
4k views

Why can the same 12 words produce different seeds in an Electrum wallet file?

I was looking through an Electrum wallet file (from Electrum 1.9.6 for Windows if it matters) trying to understand what information was contained in it, and I couldn't initially figure out exactly ...
5
votes
1answer
1k views

How do hierarchical deterministic wallets work transaction-wise?

As far as I know (and as explained here) hierarchical deterministic wallets keep a master key pair (private and public). When using them the public key is newly generated in every transaction. I ...
4
votes
4answers
8k views

What's the best Android wallet client for bitcoin?

There are many bitcoin wallet clients on android market. What is the best considering security, interoperability and usability?
4
votes
1answer
743 views

Is JavaScript wallet generator available at bitaddress.org relatively secure?

I wonder if it's safe to use JavaScript generator available at bitaddress.org. Even if I'll generate it offline, how can I know if the algorithm is not using any pre-computed / pre-planned way of ...
3
votes
2answers
6k views

How do I import my 12 Breadwallet seed words into Electrum?

When I write them into Electrum during the restore from seed box, the Next button is disabled.
3
votes
2answers
931 views

How does an encrypted wallet persist used keys from “getnewaddress” and the keypool after a restart?

I'm reading this wiki on wallet encryption and am confused on how I can call getnewaddress as described here and where that is being tracked after a restart of bitcoind. When a wallet is encrypted,...
3
votes
3answers
3k views

How do Ledger Backups get stored?

Scenario Say you have configured a ledger wallet with 10 BTC and 10 ETH. You then lose this said wallet but you have the 24 unique words. You buy another ledger wallet enter the 24 words and BAM, ...
2
votes
2answers
1k views

MultiBit Password Protection - How Secure is it?

I'm new to BitCoin but a friend of mine was recently stung when a bunch of his coins were stolen. Naturally, I'm now very cautious. I've password protected my MultiBit wallet and, to test the security ...
2
votes
1answer
3k views

Who can see my IP address while using Electrum

Who exactly is my IP exposed to when sending transactions in Electrum. I'm assuming the server operators can see it every time I connect (to query the servers about my balances). When I make a ...
1
vote
0answers
902 views

Can Ethereum support compressed secp256k1 public keys to compute Keccak addresses? [closed]

Starting from a private key, a working functional example provides details for how an Ethereum address can be calculated from an uncompressed secp256k1 elliptic curve public key. This functional ...
1
vote
1answer
274 views

I have my 12 word bip39 phrase but not in the right order

I have my 12 word phrase, but when i enter it in a wallet, it brings up an empty wallet, so i think i probably wrote it down in the wrong order. What can i do to recover my wallet?
1
vote
1answer
327 views

How to protect against wallet theft?

Let's say I run a Bitcoin client on a computer (Windows, but the question can apply to other O.S.es too), and I want to make sure nobody steals it. I'm especially concerned about situations where ...
1
vote
1answer
124 views

Create multisignature wallet from xpub keys in bitcoin core

I can create Multisignature wallet electrum with 2 xpub keys. How can I create bitcoin core to do that? Standart use; Add a multisig address from 2 addresses bitcoin-cli addmultisigaddress 2 "[\"...
0
votes
1answer
770 views

Which private key format is this?

I have a paper wallet as an image file, the QR code of the private key gives a base64 encoded string which gives "Salted_(some binary here)" when decoded. What format is this and can I get the private ...
13
votes
5answers
3k views

How can I “redeem” a private key without downloading a client?

Let's say that I have generated some private keys offline and use them for my savings. For my spending money I prefer to use an online wallet instead of downloading the client. Is there any service ...
7
votes
3answers
1k views

What wallets currently support RBF?

What wallets currently support RBF? Is there some workaround if they don't?
7
votes
2answers
1k views

Interoperability of Bitcoin clients

Is it possible to operate on the same wallet from multiple devices? If I run, for example Android on a device, and Windows/Linux on another, how do I share the same private key(s) of my wallet between ...
6
votes
2answers
4k views

Which wallet applications implement BIP38 - Private Key password encryption

I just learned about bip38 as it has to do with bitcoin private key encryption by putting a password to the key on the QR code. My question is which wallet apps support this decryption feature?
6
votes
1answer
812 views

Bitcoin Explorer - Truth or did i just got my wallet stolen?

So there is this webpage being advertised: http://allseeingbiteye.tk/ And the way it is advertised is: You can be tracked! Be careful of what you pay for. Bitcoin is as insecure and non-anonymous as ...
6
votes
2answers
1k views

How to deal with the wallets with very small amount of Bitcoins?

The scenario is: You have a wallet with only 0.0001 BTC or less. The amount is less than the transaction fee. You want to transfer the coins to another wallet in order to reduce the wallet size. How ...
5
votes
1answer
476 views

Derive new public keys from a public key?

This article says you can generate new public keys from an already generated public key. How is this possible? https://bitcoinmagazine.com/articles/deterministic-wallets-advantages-flaw-1385450276 ...
5
votes
1answer
222 views

Where are the receiving and sending address descriptions stored?

Are the sending and receiving address descriptions stored in the wallet file, or as some other file managed by the Bitcoin client app? If I move or copy my wallet to a new installation of the ...
4
votes
2answers
2k views

Is there a way to access my BItcoins before Bitcoin qt syncs?

I used QT to generate an address, and have received some coins, but they're not showing up because it hasn't synced yet. It looks like syncing will take 2 days. Can I access the coins before then? ...
4
votes
2answers
31k views

BTC stuck with zero confirmations

I sent BTC from my blockchain.info wallet to my other wallet 6 hours ago. It is still at 0 confirmations. Further Detail: the network propagation is very low at 0-1% I used the recommended fees ...
3
votes
2answers
2k views

Is this how to generate a bitcoin address with python?

So I have already the public key. My question is if I'm applying correctly the b58 encoding, since bitcoin uses b58check, and also adds x00 prefix. Can somebody explain me that? Thanks. import ...
3
votes
2answers
2k views

Key pool in wallet softwares

From my understanding, bitcoind/bitcoin-qt uses a key pool for their wallet, so when you create a wallet you are actually creating not just one but many addresses for sending/receiving transactions. ...
3
votes
1answer
854 views

Can I use the official wallet to recover bitcoins sent to an alternative wallet?

I like alternative wallets like Armory and Electrum because they offer more features, some of which are fundamental for security and convenience. But I'm a bit worried about them not being "compatible"...
3
votes
2answers
84 views

Watch Only Wallets

I don't understand the point of a Watch Only Wallet. I've seen posts that state these wallets don’t contain any private keys, which means they can’t be used to spend coins they receive. In which case ...
3
votes
1answer
2k views

Sent bitcoin with no fee, waited and bitcoins disappeared

I sent about $425 to an adress from my bitcoin-qt wallet and forgot to include a fee. So I googled and googled and waited around for 4 or 5 days for it to stop broadcasting but I get on my computer ...
3
votes
1answer
407 views

Bitcoin Core HD Wallet v0.13.2 missing confirmed incoming transaction

I made a transaction from my android wallet to my bitcoin core HD wallet (v0.13.2). At the time of writing, the transaction has 5 confirmations, both according to the android wallet and blockchain....
3
votes
1answer
87 views

Do you 'own' Bitcoins purchased via an exchange?

I have been told by some that bitcoin exchanges do NOT record BTC transactions by a buyer/seller on the blockchain, but rather hold them in their own name and ledger - eg, if I buy one BTC via an ...
3
votes
1answer
5k views

Wallet says “unsynchronised”, is that stopping me from seeing my bitcoins that I just received? [duplicate]

I don't see the bitcoins I was supposed to receive today at 3PM and I tried to close the application to refresh it but it still hasn't arrived. I used GoldUX so that he could send my webmoney to my ...