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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1answer
135 views

Coins sent without downloading the full wallet

i sent bit-connect tokens to my desktop wallet and now i cant seem to see them can you please help me it says on the block explorer that it is already there but the network is updated. after that ...
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1answer
326 views

Did I lost my balance by using an old wallet.dat?

I saved a copy of my wallet.dat as a backup, i used it to transfer 1 btc to another address, now it's got 1 btc less in the total. now I deleted the wallet.dat and open the wallet with the saved ...
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1answer
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Question Regarding Send_to_many function of blockchain wallet api

I am using send to many function of blockchain wallet api and i am facing issue. when upto 20 transaction done then after i get error in terminal that 1538652825520 - error: ERR_PUSHTX ...
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1answer
163 views

My node is not showing on Bitnodes

I have a 0.16.3 Bitcoin Core wallet running. I have incoming transactions allowed and I have lots of incoming connections. However, I fail to see my node on the map of Bitnodes; it says it's ...
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1answer
176 views

Mutibit HD - Maintain a wallet on 2 devices

Is it possible 2 maintain a single Multibit HD wallet on two devices? Assume a laptop and phone. My first thought is to install MB HD on the second device and create a new wallet using the original ...
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1answer
2k views

How long does it take to Sync my Litecoin Core Wallet?

I transferred litecoin from Coinbase to my LTC Wallet. I downloaded the wallet from Litecoin.org and it says it has to sync first before it can accept the transfer. Currently, it says that it is about ...
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0answers
14 views

Can funds sent to wrong/fraud wallet address be recovered? [duplicate]

I sent $800 to a wallet address sent to me by a "trading broker" but just scammed me out of my money! :( Is there ANY way my funds could be refunded back to my address at all? PLEASE HELP!
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2answers
69 views

How do wallets receive the amount of Bitcoins

I've always wondered how wallet clients can receive the corresponding amount of Bitcoins so fast. If I want to know how muc Bitcoins I own, I have to parse the complete the complete blockchain to ...
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2answers
66 views

How to add handwritten key or code to a wallet

I am actually a newbie who bought twenty (2) bitcoins in 2010 and I have only just found where I copied down the code or key. How do I get this code or key onto a wallet or USB? Please advise.
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1answer
186 views

Manually checking for credited bitcoins

If I have the bitcoin address, the private key and a transaction ID from Bitcoin (regtest mode) in shell variables, what Python code do I need to run to claim the Bitcoins are indeed intended for this ...
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1answer
58 views

How do I connect my `bcoin` wallet to `bitcoind`?

I have bitcoind running in regtest mode. I want to connect my bcoin wallet to it and retrieve all UTXOs relevant to the sender's address. How can I do that?
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1answer
142 views

Access Bitcoin Wallet with private key

3 years ago i bought a little bit of Bitcoin. Today i found the private key of my wallet. But I cant access it, I need these 12 words (backup) I dont have. Why cant I access my Bitcoin Wallet with ...
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1answer
106 views

have 12 word phrase need to find wallet

I have my 12 word passphrase and would like to see the contents of my wallet how do I see this wallet on a new app or site?
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4answers
351 views

Store Bitcoins offline

I have some bitcoins and ether at Blockchain.info and I am really scared of losing them. How do I best secure them? Right now I have a paper with the code to restore my wallet, but my coins are still ...
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0answers
12 views

Inserting *.dat file in new client

I'm running out of ideas and I'm hoping to get some help. My computer crashed but I have the wallet.dat file on a thumb drive. I've downloaded and synced v0.18.1 on a new computer but don't see any ...
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0answers
14 views

Wallet for Bitcoin Cash testnet [closed]

Please, advise wallet which supports testnet Bitcoin Cash. I used https://ccoin.cash/#wallet, but they support only https://rest.bitcoin.com/v1. Thanks for answers in advance!
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1answer
511 views

Difference between ripple bithomp “account generator” and “paper wallet”

I've recently found a web which allows to create ripple paper wallets. The website is bithomp.com. At bithomp.com there are several buttons. My question is: what's the difference between the Account ...
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1answer
23 views

Lost / Forgotten Wallet?

I have this issue I have... When I first started using crypto currencys I used a lot of wallets ... etc trying to get a feel for what I wanted.. so ... Now I have a wallet that reads . 01 BTC balance ...
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1answer
117 views

Wallet for btc bot

Which bitcoin wallet should I use to manipulate it programmatically? I don't want to use heavy bitcoin-core. But as I understand there are different kinds of bitcoin's thin clients: some outsource ...
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1answer
28 views

Retrieve last x transactions from multiple wallet

I create an app which allow each user to own 20 wallets that support 20 coins (btc, eth, monero, neo etc), as well as support but BTC with USD. IF i want to retrieve last 10 transactions of user (of ...
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1answer
242 views

Manage multiple users wallets for web wallet service

This already summaries the issue I'm currently trying to figure out to calculate the transaction fee to prevent negative balance. (testnet) I tried using createrawtransaction answered. When I tried ...
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1answer
73 views

Bitcoins and transactions missing

I had a wallet which had approx $660 worth of bitcoin somewhere around 0.05 BTC and all of a sudden it has vanished and my transaction tab shows nothing. I have put my receiving address into the ...
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1answer
401 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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2answers
33 views

question about wallet address conversion

i just recently added a new wallet that can accept bitcoin SV but its address starts with a "q". is there any tools on the internet that can convert that q prefix address to a 1 prefix address much ...
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2answers
9k views

How do I scan my bitcoin receipt into my wallet?

I bought Bitcoins from the Robocoin ATM (I'm told it's the only one) and it gave me a receipt with a QR code to scan into my wallet. I downloaded Blockchain, but don't see where in the app I can scan ...
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0answers
30 views

Can't decrypt bitcoin core wallet, did I made a backup at the wrong time?

I am confused on why my bitcoin core wallet password would not work. I am 90% sure I tried the right password(s). wallet has many receiving addresses (10 000), I generated them with Linux from ...
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0answers
26 views

Loading private key (missing bitcoin)

I exported the private key from a 0.7.2 because I could not how to upgrade the wallet. I then imported it into 0.18.0 I was expecting to see a balance and the transactions and nothing was found. I ...
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1answer
74 views

how to retrieve BTC from BCH address

I was on KuCoin and accidentally sent BTC to the BCH address (thinking I was buying BCH). Of course nothing shows in the BCH wallet on KuCoin. I can see it on the blackchain but cannot access it.
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3answers
823 views

what is type of wallet with 18 words seed?

1) I have 18 words seed spray inject... (18 worlds total) 2) And i have some password/secret key or private key GVzPYhu....... (35 letters total) What type of wallet and what crypto ...
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1answer
47 views

Wallet's role in a double spend attack

How does my wallet allow me to double spend? As soon as I make a payment, shouldn't my wallet delete those bitcoins or does it leave them until the transaction is added into the blockchain?
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2answers
296 views

How to create a simple lightweight wallet (without mining) for an Altcoin

I am trying to create a wallet using electrum for an altcoin that uses the Scrypt algorithm. I am looking around for tutorials that can show a step by step process on how to create a simple wallet for ...
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1answer
323 views

Scam or not terabox?

Terabox.me has HTTPS. From Coinbase anyone can send money to Terabox.me and topup the balance. After making the topup the money is stolen. When you try to contact them they do not answer. Nobody shut ...
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0answers
21 views

Unknown command name and packet magic for bitcoin packets at the start of blockchain transactions

Recently I captured a part of blockchain when my bitcoin wallet started to syncing for the first time. I analyze about 10 Gb of traffic which was for primary transactions of bitcoin. wireshark can ...
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1answer
229 views

Bitcoin Core 0.13 How many addresses it can **effectively** manage?

I want to know, what's the maximum amount of addresses that Bitcoin Core 0.13 can manage? All addresses should belong to the default account. I want to use walletnotify feature How startup time ...
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1answer
911 views

How to send bitcoins without the bitcoin client in PHP

Is there a way to send bitcoins programmatically without the bitcoin client using PHP?
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3answers
89 views

How does a wallet get the public key from an address?

I was under the impression that addresses are just an encoded, hashed public keys with a prefix and that only the public key is used on the blockchain (not the address) for transactions. But if the ...
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6answers
8k views

What is the chance of someone (randomly) finding the private key for an existing Bitcoin address?

Say I have created a paper wallet with one bitcoin address in a vault. What are chances that someone else will find the private key for this wallet? Related: what are the chances of vanitygen address ...
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3answers
3k views

Seed for bitcoin-core qt

I have a bitcoin core -qt Wallet (on linux). Tell me, can I encrypt it? For example, there is the electrum wallet! It has words for deciphering. For example, i installed the electrum and the phrase ...
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1answer
92 views

Bitcoin-qt -testnet 0.17.1 Send and Receive buttons do nothing

Fully synced on testnet blockchain after building Bitcoin with UI and wallet enabled on Ubuntu 18.10. Pressing Send and Receive buttons results in no UI displayed. Receiving addresses dialog doesn't ...
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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 ...
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2answers
34k views

What is the wallet “word seed” that is commonly used in popular wallets clients and what does it do?

I've been using a pretty old version of Multibit classic and recently decided to upgrade. I tried out Multibit HD and Electrum and noticed that both have me set up a wallet with a "word seed". It's ...
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2answers
74 views

How convert a mnemonic phrase back and forth between different number of words?

I'm relatively new to cryptocurrencies in general and I've tried using Bitcoin and a few altcoins, but it always bothers me that some digital assets are not available in all wallets. To my ...
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1answer
55 views

Where is the AES-256 key/ IV pair stored in wallet.dat file?

I have created an encrypted bitcoin file. I know the password and I see the mkey in the hex dump. I would like to know where the AES key / IV pair are located in the wallet.dat file?
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1answer
29 views

Would proxying a lightning hot-wallet with a lightning cold-wallet make the hot-wallet safer?

(Edit: I realize how Mt.Gox-y the below setup sounds, but I'm coming at it from a "lightning routing problem perspective", not necessarily a straight "bitcoin security perspective"...though...those ...
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1answer
70 views

Wallet management now that accounts are deprecated?

I'm building a website which will allow every user to make deposits and transact with Bitcoin, how will I be able to get the balance of a specific wallet. I currently know these commands: $bitcoin-&...
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1answer
228 views

I NEED YOUR HELP URGENTLY Bitcoins

I really need your help on this. It has stated in my wallet that i've received my bitcoins of 1.182691BTC on 29/05/18. This's my wallet address: muFjdWSy2DKStSP2gUH2aHZq6kRBva8ZDV it stated on the ...
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0answers
12 views

how to convert protobuf wallet format into private keys

firstly, i did this step "enc -d -aes-256-cbc -a -in bitcoin-wallet-backup > bitcoin_decrypted" in openssl and entered the password it gave me org.bitcoin.production so i guess my password worked and ...
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1answer
31 views

Which BIP describes the structure and algorithm for creating a wallet file?

My app is able to create a public and private key from BIP39. The uncompressed private key is concatenated with a sha256 (private key) and then encrypted via AES and saved to a file. To decrypt, you ...
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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 ...
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2answers
589 views

Balance zero after recovering wallet from seed-phrase

I recently got help my some experts on how i can recover my wallet using my private key, so i went ahead and downloaded brd wallet and block chain, then proceeded to recover wallet in the first and ...